U.S. participation in NATO was a break with tradition, since the United States for the first time set itself up to automatically get involved in foreign conflicts--something that was very unnerving for a country of people who for most of American's history had been very isolationist.
I think it's A because slavery wasn't abolished in Washington DC until 1862.
Swahili culture<span> is the </span>culture<span> of the </span>Swahili<span> people inhabiting the </span>Swahili<span> Coast. This littoral area encompasses Tanzania, Kenya, Uganda and Mozambique, as well as the adjacent islands of Zanzibar and Comoros and some parts of the Democratic Republic of Congo and Malawi.</span>