Carnegie invested in the Frick Coke Company because the Frick Coke Company is his main supplier of coke coal.
Answer: After the British left the city in March of 1776, Washington sent in a force of 1,000 smallpox-immune American troops to occupy Boston in order to avoid further spread of the disease.
Explanation:
Answer:
Faced with an Aztec revolt against their rule, forces under the Spanish conquistador Hernán Cortés fight their way out of Tenochtitlan at heavy cost. The conquered peoples resented the Aztec demands for tribute and victims for the religious sacrifices, but the Aztec military kept rebellion at bay.
So the answer is the last one, not 100% sure though
