Which actions did spain take leading up to and during the revolutionary war? check all that apply.

The crittenden compromise which option explains the role that this legislation played in the buildup to the civil war? it attempted to resolve the complications introduced by the missouri compromise; this to stave off the civil war. it sought to encourage southern diplomats to take their seats in congress so their voices could be heard in government. it proposed six amendments to the constitution aimed at protecting slavery; however, its passage was blocked by congress. it attempted to establish stipulations that made secession from the united states constitutionally legal.

Explain how john f. kennedy organized the content of his speech. cite specific examples from his speech to support your answer

Who did the first work in creating vaccines