Why was radioactivity invented at that time and What did radioactivity mean to society when it was invented?

Explain the importance of president harry truman's order to integrate the u.s. military and the federal government.

Which of the following is not a requirement to become a us representative (congressman/congresswoman)? a.be at least 25 years old b.have been a citizen of the united states for the past seven years c.be (at the time of the election) an inhabitant of the state they represent. d.hold a college degree

The council of trent decided priest would go through strict training i'm schooling called