Superior manpower, industry, access to trade, finances, leadership, and more.
It emphasized US economic strength. It emphasized US military strength. It promoted the strength of US scientists and inventors.
A person who is killed in the midst of combat during a military battle.
Its A if economic opportunities increased why move to new lands?
Back in 1615 when it was widely accepted that the earth was the center of the galaxy, Galileo discovered that we revolved around the sun in year long cycles along with other planetary objects. He was put in house arrest for 9 years because of this because it was considered a heresy. He also invented the telescope and was the first to observe the largest of Jupiter's moons.