List three actions taken by the various Axis nations which caused the Allied Powers to declare war. Please help I can’t find answers

Match each treaty with its description. treatys- a the munich agreement b the pact of steel c the molotov-ribbentrop pact descriptions- 1- an alliance between germany and italy 2- an agreement between germany and the soviets dividing eastern europe 3-an agreement between germany, france, italy, and britain granting germany a small part of czechoslovakia in return for peace

Before the civil war, the constitution protected slavery -true -false

What mountain range is located near 60*n and 60*e