The Scramble for Africa was a competition between the European powers (Great Britain, France, Belgium and others) over colonies in Africa - the correct answer is "a competition for colonies". It happened between the end of 19th century and the beginning of 20th century.
Manifest Destiny. beleif held in 19th century by many Americans that U.S. was destined to (meant to) span from Atlantic Ocean to Pacific Ocean, spreading its culture and democracy; belief had political, economic, and social roots:growth in U.S. economy increased demand for (and value of) farmland, ranches, and furs; the cotton gin increased the area in which cotton could be grown profitably; the discovery of gold in California attracted 80,000 people in1849
B. Robert E. Lee was the outstanding U.S. army officer that chose to lead the Confederate forces.
They were going to explore the East Coast and explore Louisiana
Have a blessed day!
"Do. Or do not. There is no try." -Yoda