Nominating conventions replaced the caucuses (which was led by the congress) so when nominating conventions made it to where delegated from the states could vote, it let more citizens participate in choosing from the presidential candidates, this influenced the democratic government greatly.
Answer A its true of the economy of the east
The Urban Areas were used to house these Immigrants and they grew larger.
Boosted economic prosperity through expansion of trade especially due to the rapid expansion and development of the 7000 mile silk road. The building of this road ensured that trade in farm produce developed a great deal.
