I think c ???????????????
Mr.Truman himself set a bomb to JAPAN and the cuban missle crisis
In the year 507 B.C., the Athenian leader Cleisthenes introduced a system of political reforms that he called demokratia, or “rule by the people. ... Although this Atheniandemocracy would survive for only two centuries, Cleisthenes' invention was one ofancient Greece's most enduring contributions to the modern world.
Alexander Graham Bell was a Scottish-born inventor, scientist, and engineer who is credited with patenting the first practical telephone.
Constantine was the ruler, he eventually took over the Roman Empire and united Western Europe under Christianity.