Why are the United States and the Soviet Union in competition? What information from You Should Meet Katherine Johnson best helps to answer this question?
A. The Soviet Union is one of a few countries to develop a satellite that could orbit the earth.
B. By the late 1960s, both the Soviet Union and the U.S. have sent unmanned vehicles as well as people to the moon.
C. The United States is the leader in the space race and other countries want to catch up.
D. Each of the two most powerful countries in the world want to be number one in space exploration and technology.