The economic changes were that people were investing in stocks more and more which eventually led to the great depression during the first half of the 20th century. Socially people started getting more and more rights, especially in the workplace. Women were also getting more respect and were close to getting their voting rights. Politically this was an era of busting trusts and breaking monopolies and big banks as led by the progressivists.
Maintain international peace and security
In the colonies, it was the "Loyalists" who opposed going to war against Britain, mainly due to the fact that they believed the grievances of the "Patriots" were wildly exagerated<span />
The correct answer is Victor Frankenstein. He studied chemical relations of compounds in the human body and studied decay and things like that to determine how it would be possible to create a human being out of nothing. He eventually managed to bring the monster to life.