The main reason the United States entered World War I in 1917 was the unrestricted attacks German submarines were making on American ships and ships containing American passengers.
Knights were indeed lower than vassals and held less prestige in medieval society. It's not true though, that knights didn't have enough prestige in medieval society. Vassals swore to the king or the ruler of a region, whereas knights often swore to vassals, so they still had people under them, but they were not at the top.
Answer:
In the 1950s and 1960s, the Soviet Union tried to reduce the influence of the policies of the capitalist system.
This period in the history of the Soviet Union is known as Cold War.
At that time, the nation was also working to maintain a stable political organization, promote scientific advancement and maintain popular support.
Explanation:
After the Second World War, the USA and the USSR fought a battle called the Cold War. During this period, both countries tried to establish their control and influence in the world through communist (defended by the USSR) and capitalist (defended by the USA) policies, in addition to trying to prevent the opposite policies from standing out.
One of the biggest reforms that this period provided was the construction of the Berlin Wall in Germany, which divided the city into two sides, one influenced by the USSR and the communist system and the other influenced by the USA and the capitalist system.
In addition to fighting for its influence, the USSR had to fight for popular support within its country, which proved to be unstable in relation to established policies. To this end, the government tried to establish a stable political system and great funding for scientific and academic advancement.
A feeling of strong devotion to one's country is called : nationalism
People with nationalism principle tend to be capable to do anything in order to bring benefit to their country, such as waging war, conquering more territory for the country, etc
hope this helps
