The responsibility for the Cold War on the Soviet Union and its expansion into Eastern Europe.
Despite the opium outlaw, the British continued to bring the drug into China. This resulted in the Opium Wars which lasted from 1839-1842. The possibility of war was threatened by Lin (leader of China) during the early 1830's when he wrote a letter to Queen Victoria. However, Britain did not see this as a threat and ended up easily defeating the Chinese due to their strong naval forces. The Treaty of Nanjing ends the Opium Wars and results in China losing Hong Kong.
So in the first century of BC, Rome was a republic -- but eventually, senators began fighting for power between themselves and the republic soon fell into chaos. Two men, one of which were Julius Caesar, were able to wrestle Rome back from chaos and rule in their empires. Though he was murdered and his rule was brief, it marked the official transition from Roman Republic to Roman Empire.
the Marshall Plan(also known as The European Recovery Program) was an american initiative passed in 1948 to aid western Europe. the amount which USA paid was about 12billion dollars in economic assistance.