Answer:
A: American revolution
Explanation:
The Boston Massacre happened in Boston in the late 1700's, around the time of the American Revolution.
Answer:
Christopher Columbus
In 1492, Christopher Columbus sailed the ocean blue. He discovered some Islands in the Caribbean and he discovered South America.
The correct answer to this open question is the following.
How is walking on the surface of the moon different from walking on the surface of Earth?
Answer: the lack of gravity is the answer. On planet earth, we have the gravity force. This allows all people and things to stay on the planet. No gravity on earth would mean no life on planet earth.
On the moon is different. The pull is greater on planet Earth than it is on the moon. The gravitational force limits astronauts to walk easily on the moon's surface. That is why we watch how funny Neil Amstrong walk-jumps on the surface of the moon.
On July 20, 1969, Neil Armstrong was the first man to walk on the moon. That is when he said his famous words: "That's a small step for man, one giant step for humanity," while millions of people were watching the historic event.
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D) working with the Soviet Union to reduce the levels of nuclear weapons.