PLEASE HELP I WILL GIVE BRAINLEST Discuss the developments that led to the proscenium arch during the Italian Renaissance, including artistic innovations and new stage components.

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.

d

explanation:

b europeans take corn to africa. corn becomes an important crop there.

the answer is c. to explore the louisiana purchase