Before he became the first president of the United States, George Washington was a surveyor. Surveyors measure land, air space and water, explain what it looks like or how much is there, and then put those facts into legal documents. Washington was the official surveyor for his county in 1749, which allowed him to purchase his first piece of land in western Virginia.
There are most likely more Pioneers than this, but her are some names that should help you out:
Robert Boyle
Antoine Lavoisier
Margaret Cavendish
Maria Winkelmann
For sure the answer is D. hope is help
Answer:
The Cold War was a diplomatic war between the U.S. and U.S.S.R. lasting from the end of WW2, 1947, to when the U.S.S.R. was dissolved in 1991. During this period their was a lot of political and military tension between the two countries. The foreign policy the U.S. held during this time was called containment an idea from the Truman Doctrine. The U.S. wanted to contain/stop the spread of Communism. They tried to due so in a multitude of ways such as instilling the Marshall Plan.