There were 30 states at the beginning of 1850 and 31 at the end.
<span>At the start: </span>
<span>15 free states- Maine, Vermont, New Hampshire, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Pennsylvania, Ohio, Michigan, Indiana, Illinois, Iowa, and Wisconsin </span>
<span>15 slave states- Delaware Maryland, Virginia, North Carolina, South Carolina, Georgia, Florida, Kentucky, Tennessee, Mississippi, Missouri, Arkansas, Texas, Louisiana, and Alabama </span>
<span>Then, with the Compromise of 1850, California came into the Union as a free state.</span>
The Monroe doctrine was the reaction and effect of the European powers plan to help Spain create or retake colonies in America. the doctrine, enacted in 1823,pointed out that the USA would intervene to protect the peace and freedom of independent states in the region of America.
<span>People moved from large cities in the East to settle in the Western Territories.--new transportation and territories open up with cheap land drew people west.
Western migration eased the crowding of Northeastern cities and provided a group of people to farm and provide food for the growing industrial centers through the North and Midwest. Railroad transportation allowed for easier travel to the West as well as roads and canals. </span>
Expansion of the united states of America from the Pacific coast to the Atlantic coast
The 27th Amendment to the Constitution, added in 1992 as “No law, varying the compensation for the services of the Senators and Representatives, shall take effect, until an election of representatives shall have intervened.” was written in 1789, by Madison.
The correct answer is James Madison; 1789.