Answer: 1)allowed California to enter the Union as a free state
2)allowed new states to decide if they will be free or slave
3)lessened the penalties for states not returning escaped slaves
Explanation: it gave states an option of all sorts for comfort
Here are some of the weapons first used in WWI. Airplanes, Derigables, poison gas, flamethrower, and tanks. Other weapons that were invented before the war but not used on a wide scale or were not reliable until WWI were the machine gun, submarines, torpedoes, small mortars and very large caliber artillery. WWI also saw the use of the radio for the first time in combat conditions.
in Japan about 800,000 people died during the war which greatly affected there army and country.