Which of the following is not a primary source?

Which of the following could affect the human population? a hurricane makes landfall on an uninhabited island. a deadly virus emerges that can pass from human to human. a civil war breaks out in italy. a solar eclipse occurs.

Supporters of the atomic bomb argued against the idea that the united states should not use the bomb against japan by

What primary benefit did theodore roosevelt’s see in digging a canal through panama?