What are gamma ray burst in one word?​

Why didn’t the united states participate in the league of nations? the u.s. senate did not want the country to join. president wilson did not want the country to join. the league of nations was only for european countries. the league of nations had failed to prevent world war 1

To keep other european powers from threatening its empire in america, spain sent soldiers, settlers, and?

Which event occurred in 1943 and to make the allied victory possible choose all answers that are correct