After 1800, European empires increasingly claimed to use formally labor, though they still involved mush harsh treatment of non-white indigenous populations.

After 1800, European empires increasingly claimed to use formally free labor, though they still involved much harsh treatment of non- white indigenous populations.

to protect the united states' role as a world leader, president truman wanted to prevent the soviet union from spreading communism beyond its post-world war ii boundaries. he declared that the united states must assist any nations struggling to prevent a communist takeover.