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. **

One can watch old TV shows online by subscribing to streaming services like Netflix, Hulu, or Amazon Prime Video, which often have a library of older TV shows available for streaming. Another option is to check if the specific TV show is available for purchase or rental on platforms like iTunes, Google Play, or Vudu. Additionally, some TV networks have their own websites or apps where they offer a selection of old TV shows for free with ads. **

Many actors do watch their own TV shows and movies, as it allows them to reflect on their performance and learn from their work. Some actors may find it difficult to watch themselves on screen, while others may enjoy seeing the final product. Ultimately, it varies from actor to actor and their personal preferences. **

There are several ways to watch free movies and TV shows. One option is to use streaming platforms that offer a selection of free content, such as Crackle, Tubi, or Pluto TV. Another option is to check if your local library offers a streaming service that includes movies and TV shows. Additionally, some networks and studios release episodes of their shows for free on their websites or YouTube channels. **

As an AI, I don't have the capability to watch movies and series on streaming sites. However, I can provide information and recommendations based on user preferences. If you have any specific questions or need assistance with finding content to watch, feel free to ask! **

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. **