Which sentence from the excerpt best identifies the problem? So they came by the thousands—kids, really, twenty-somethings, a few in their thirties.
But their goal was clear-cut, and that was enough.
No one knew for sure how to get to the moon, how to land, or get home.
That gave them purpose: a reason to puzzle out the problems and seek solutions rather than sleep.

"No one knew for sure how to get to the moon, how to land, or get home."

answer: a video that encourages an armed attack on the government.

explanation: it is a violent overthrow to the government.

hope this : )

martin luther believed that selling indulgences was wrong and gave people a license to sin. the roman catholic church used the practice of indulgences to raise money for major building projects.