Answer:
differences of income Wealth, social status, race, langauge spoken, what not
The Emancipation Proclamation was a wartime measure designed to destabilize the South. The proclamation granted freedom to all enslaved individuals in the states under Confederate control if they failed to return to the Union within 30 days. It also signaled that one of the outcomes of a potential Union victory would be the abolition of slavery.
The correct answer is - NATO.
NATO was an organization created by the United States, United Kingdom, France, Canada, Australia, pretty much the countries that were allies in the World War II. The purpose for its creation was to have bigger security as all of them were obliged to support each other when facing a threat, but also to become a dominant global geopolitical factor and protect the interests of the member nations.
The Soviet Union saw this organization as a direct threat so it rushed into development of as much weapons of mass destruction as possible, including atomic bombs. Apart from the rapid increase in militarization, the Soviet Union also formed organization with the same purposes, the Warsaw Pact, an organization consisted of countries that shared the same socialist ideals as the Soviet Union.