The advanced weaponary helped europe conquer new lands and territory because they had weapons to kill more people and show who was in charge
The answer is urbanization.
Louis XVI's policy of not raising taxes and taking out international loans, including to fund the American Revolution, increased France's debt, setting in motion the French Revolution.
They ended up colonizing North America for different economic reasons. Spain colonized America because they were searching for gold and silver. They did find a lot of gold and silver when they conquered the Aztec and Inca Empires. France colonized North America because of the great amount of furs they found there and to create trading posts.
The battle of Gettysburg was also called the turning point in the Civil War. This gave the Union hope and courage.