Part A What is a central idea of "We're Going to Mars!"?

Colonizing Mars will allow people to leave their problems on Earth behind.

Colonizing Mars could provide essential resources for humans living on Earth.

Colonizing Mars will make the United States the most powerful country in the world.

Colonizing Mars could help in the preservation of life on other planets.
Question 2
Part B

Which detail best supports the answer in Part A?

"The United States could very likely send its first delegation to the red planet in 2033."

"Settling other planets is the most attractive aspect of space exploration."

"The amount of technological innovation required for such an effort could benefit the world as well."

"Colonies would be able to reap raw materials—including electricity—on their planets and send them back to Earth."