Answer: It would be the deciduous forest since that's the ecosystem that has the most amount of trees in it.
Explanation:
What gave them an advantage is economic prosperity due to rich soil and development of plantations based on slave labor. Many profit was accumulated from crops (tobacco) and also cotton. Later on in the 1800s when Eli Whitney created the cotton gin it created a boom in the slave industry and increased largely by 71%. After that the tool allowed mass production in textile industries.
One item can be the weapons. Many Europeans gave the natives a bunch of weapons because they had plenty. They even gave them faulty weapons or broken ones because the natives didn't know any better.
63 percent are white judges
Yes.
A growing civilization needs to expand its territory to increase agriculture and influence.