It was the "A) Knights of Labor" who limited membership to skilled craftspeople and focused on economic reforms, since workers has been abused.
Answer:
The Cold War between the U.S. and Soviet Union originated from postwar disagreements, conflicting ideologies, and fears of expansionism. At both the Yalta Conference and Potsdam Conference, U.S. and Soviet leaders sharply disagreed over the future of the post-war world.

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The Cold War | Boundless US History
got it from ^
<span>-The Maya established city-states, united by a common culture but not unified by a common political or military system.
-Their achievements were artistic, agricultural, and architectural.
-The Toltecs were less influential culturally, but more influential in the areas of politics and the military.
-They were more politically homogeneous, were under centralized rule, and expanded their control through military conquest.</span>
Answer:
A colony is the starting of a certain type of civilization and/or culture in new or uncharted territory.
Explanation:
Check a history book. This is in my own words, but the actual definition cant be too far from that.
