Well if your talking about today then the most prevalent is a tie between social media, and the news. But <span>if your talking about like World War l, for example, then posters were prevalent in Britain and Germany because they could target at any audience.</span>
At the end of the French and Indian War the British government signed treaties with the Indians in the Ohio territory to restrict the American colonists from moving into there land. The American colonists ignored this British treaty, and started settling in the Ohio, Kentucky, and Tennessee areas. The British government, unlike the American government in the following century (which very seldom honored the treaties they signed with the Western tribes), tried to honor their treaties with he Indians and keep the Americans out. This brought the Americans and British into confrontation and was one of the main factors that led to the Revolution.
The Chinese decided to enter the Korean War on November 25-26, 1950. This was an enormous shock to the American forces, as well as to the United Nations. The United States, and in particular U.S. Gen. Douglas MacArthur, believed that the Chinese would not openly enter the war. When China did provide support to North Korea, the effect was catastrophic on the American forces, leading to a great expansion of the conflict.
Answer:
Gave the world first democracy, they took the first scientific approach to develop medicine, they also helped develope geometry and other math
