Answer: By 1820, preserving the balance of free states and slave states would be seen as an issue of national security.New pressures challenging the delicate balance again arose in the West. The Louisiana Purchase of 1803 more than doubled the size of the United States. Questions immediately arose as to whether these lands would be made slave or free. Complicating matters further was the rapid expansion of plantation slavery fueled by the invention of the cotton gin in 1793. Yet even with the booming cotton economy, many Americans, including Thomas Jefferson, believed that slavery was a temporary institution and would soon die out
Explanation: is this okay sorry if wrong pls don’t be wrong
Answer:
consisted of three mutually reinforcing parts: a tariff to protect and promote American industry; a national bank to foster commerce; and federal subsidies for roads, canals, and other "internal improvements" to develop profitable markets for agriculture.
Explanation:
You are welcome for helping you.
Answer: the slavery in the United States increased so then abram licion became president he began the war to free slaves
Explanation: hope this helps
The following leap day is really on February 29th, 2016 (this year).
This implies we need to include an additional day toward the end of February every 4 years.
As you might know, the 28th is generally the most recent day of February, however because of the leap day, we add an additional day to make the general days of one year 366 rather than the standard 365.
During the current year (2016) the 100th day of the year is on April ninth.
On a 365 days calander, the 100th day of the year is on April tenth.
