The birth of gunpowder was quite accidental. It was first invented inadvertently by alchemists while attempting to make an life-extending ELIXIR. It was a mixture of sulphur, saltpeter, and charcoal. At the end of the Tang Dynasty, gunpowder was being used in military affairs.
The manor system was important because people lived on feudal ground owned by rich land owners. Those people were tightly connected to the catholic church and they all swore their allegiance to the pope. The people were all religious and they worked on the land and could keep a part of what they produced but they had to give a part to the manor owner. The owner would provide protection in return.
During this time period, the US had started to expand towards the West. The British, still trying to reclaim their previous colony back, decided to arm and rouse the Native American tribes that live west of the US to fight against the US. This resulted in the American Indian War, which was fought between the US and numerous amounts of Indian tribes. The victor however was the US (as seen today, because the US spans from west coast to east, instead of the East & Lousiana purchase only)
They were also on the route to fighting the War of 1812, which was Britians official second war with the US in trying to regain their former colony back (US won)
hope this helps :D
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In the Western world, the Sino–Soviet split transformed the geopolitics of the bi-polar cold war into a tri-polar cold war; as important as the erection of the Berlin Wall (1961), the defusing of the Cuban Missile Crisis (1962), and the end of the Vietnam War (1945–1975), because the rivalry, between Chinese Stalinism and Russian coexistence, facilitated and realised Mao's Sino–American rapprochement, by way of the 1972 Nixon visit to China. Moreover, the Sino-Soviet split voided the Western political perception that "monolithic communism", the Eastern Bloc, was a unitary actor in geopolitics, especially during the 1947–1950 period in the Vietnam War, which led to U.S. military intervention to the First Indochina War (1946–1954).[5] Historically, the ideological Sino-Soviet split facilitated the Marxist–Leninist Realpolitik by which Mao established the tri-polar geopolitics
