When did the constitution go into effect?

June ,21,1788 here is your answer hope it helped

March 4th, 1789 and had been ratified by the required 9 states by june 21st, 1788

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.