Answer:
Slaves who were freed at the end of the Civil War.
Great Britain, the USSR, and France.
It benefits companies by letting geologists find out where oil would likely be by studying surface rock formations, magnetic fields and even slight variations in gravity. One of the most important innovations in oil exploration was 3-D seismic imaging. The companies end up making tones of money off the research that they find
Answer:
Allied powers—France, Great Britain, the United States, and the Soviet Union
To make it more reasonable is the answer to this question
