<span>A "pull" factor leading to European migration to Asia in the 16th and 17th centuries is that "</span>Chinese government's policy of isolation from the West" Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.
assisting the industry in producing effective medicines
The League of Nations was formed to unify many countries. It wasn't very efficient. The United Nations was essentially an improved version of the League of Nations.
probably stamps cuz ya know they're real tiny and they probably thought that in like 30 years no one would be sending a letter so they're like 'yea ok they're just sticky pieces of paper no one cares'