The southern democrats refused to nominate stephen douglas because:
-he supported the rights of southern democrats moving into territories.
-as a senator, he supported the north too well.
-he flip flopped on his views to often.
-he would not change his stand on popular sovereignty.

He would not change his stand on popular sovereignty.

Explanation:

Stephen Douglas was an American politician and lawyer who was also the Democratic Party nominee for President in the 1860 election (where he was defeated by Abraham Lincoln). Douglas was a strong advocate of popular sovereignty. This was the belief that each territory should be allowed to determine whether to allow slavery to exist within its borders. The fact that Douglas would not change his stand on popular sovereignty meant that the Southern Democrats refused to nominate him.

latin america is a region of racial and cultural diversity.  it is a group of countries and dependencies in the americas where romance languages are predominant. the term originated in 19th century france as amérique latine to consider french-speaking territories in the americas along with the larger group of countries where spanish and portuguese languages prevailed.

explanation: