Many Europeans had experienced the tyranny of monarchies in their own countries. The Patriots' war against George III inspired them. Lafayette and Pulaski may have also been moved by the ideas in the declaration of Independence. I hope this helps you
The consumer’s demand influence.
Personal ownership in regards of property.
When a wealthy landowner was given full control over land in the new world, the colonies were known as "proprietary colonies" since these gave the dominating landowners far more control of the lives of the colonists.
Scientists like Einstein, Bethe, Fermi, Teller, and Bloch emigrated from "Germany" in order to escape persecution and pursue scientific research, since this took place during the rise of the Nazi Party, which was highly anti-Semitic.
George Washington was chosen to lead the continental army because of his experience and reputation.<span />