What were the responsibilities of congress under the articles of confederation?

They are able to declare war, appoint military officers, sign treaties, make alliances, appoint foreign ambassadors, and manage relations with native americans. Hope this helps!

The transcontinental railroad provided a means of fast transportation. it cut a 6 month trip into 6 days, created jobs for many people and encouraged immigration. the homestead act played a huge role in western expansion; it allowed settlers to begin a fresh start, and gave them land in exchange for their residence for up to five years and a small fee.