President Eisenhower passed the in the event of a nuclear attack

Ineed on 2-4 i want y’all to reply to this question so i can turn this into my teacher tomorrow

What from the columbian exchange had perhaps the biggest impact on the world?

What governments allow the use of the initiative, the referendum, and the recall? a. all state governments and the federal government b. some state governments and the federal government c. some state governments d. all state governments