The cavalry is a military unit that historically consisted of soldiers mounted on horseback, trained for combat and reconnaissance. They were known for their speed, mobility, and ability to quickly respond to enemy movements. While the use of horses in warfare has declined with the advent of modern technology, the term "cavalry" is still used to refer to certain specialized units within modern armed forces, such as armored or mechanized cavalry units. **

No, the Vikings did not typically use cavalry. They were known for their expertise in sailing and their use of longships for transportation and warfare. On land, they primarily relied on infantry and occasionally used horses for transportation, but they did not have a tradition of using cavalry in battle. Instead, they were known for their skilled use of axes, swords, and shields in combat. **

No, Germany no longer has a cavalry unit in its military. The last cavalry unit in the German military was disbanded in 1919 after World War I. Since then, the German military has transitioned to modern mechanized and armored units, leaving behind traditional cavalry forces. **

Tesla's anti-gravity technology refers to the concept of using electromagnetic fields to counteract the effects of gravity on an object. This technology is based on the idea that by creating a powerful electromagnetic field around an object, it can be lifted or moved without the need for traditional propulsion methods. While there is speculation and theories surrounding Tesla's work on anti-gravity technology, there is no concrete evidence that he successfully developed a working anti-gravity device. **

Anti-noise devices work by producing sound waves that are the exact opposite of the unwanted noise, canceling it out through a process called destructive interference. These devices use microphones to pick up the sound waves of the unwanted noise and then produce a sound wave with the same amplitude but opposite phase, effectively neutralizing the noise. This technology is commonly used in noise-canceling headphones and can help create a quieter environment by reducing or eliminating unwanted sounds. **

There are several anti-dog barking devices that are worth considering. Ultrasonic bark control devices emit a high-pitched sound that is unpleasant to dogs, but inaudible to humans, and can be effective in deterring excessive barking. Citronella bark collars release a burst of citronella spray when the dog barks, which can help discourage barking without causing harm. Additionally, vibration bark collars can be effective for some dogs, as they deliver a vibration to the dog's neck when barking is detected. It's important to consider the specific needs and sensitivities of your dog when choosing an anti-barking device. **

The cavalry was ineffective in World War II due to several reasons. Firstly, the development of modern warfare, including the widespread use of tanks, artillery, and aircraft, made traditional cavalry tactics obsolete. Additionally, the difficult terrain and harsh weather conditions in many theaters of the war made it challenging for cavalry units to maneuver effectively. Furthermore, the increasing mechanization of the military meant that cavalry units were often outmatched in terms of speed and firepower by armored and motorized units. As a result, cavalry units were largely relegated to reconnaissance and security roles rather than playing a significant combat role in World War II. **

Anti-Bolshevism refers to opposition or hostility towards the Bolshevik ideology, which was the basis of the Russian Communist Party and the Soviet Union. Anti-parliamentarism is the rejection of the parliamentary system of government, often advocating for alternative forms of governance such as direct democracy or authoritarian rule. Anti-Marxism involves opposition to the political and economic theories of Karl Marx, particularly his ideas about class struggle and the eventual establishment of a communist society. These terms are often associated with political movements and ideologies that oppose communism, liberal democracy, and Marxist economic principles. **