The columbian exchange.. please help with the last of these questions, the video to get this information is “The columbian exchange: crash course world history #23” it would really mean a lot

The ancient system of trade routes that ran from rome to china was known as the

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.

How does a comet change when it comes close to the sun