Answer:The Ottoman Turkish was the group that attacked the eastern bored of the Byzantines.
Socialism is a political movement which evolved in the Soviet Union of the time. Socialism and communism as ideologies and ideas were developed by Marx, Engels, and also Lenin in part later on, already in the 20th century.
Civil Rights Act of 1866, African Americans enjoyed a period when they were allowed to vote, actively participate in the political process, acquire the land of former owners, seek their own employment, and use public accommodations.
The mayas was the first to create a system of mathematics in which the circle represented a 1 and a bar represented a 5
so The Mayas is the correct answer
