Answer:
Edison's perfection of the <u>light bulb</u> helped factories turn night into day.
Climatic condition was the major factor for migrating to new places.
Answer:
Europeans explored and claimed that more and more land was there. They had to make relations with people who were already in the Americas and try to find a way to conquer them and claim that land theirs.
hope this helps and feel free to add brainiest
