What problem did economist mancur olson identify that passivity on the part of individuals?

What changed for the seminole indians of florida during the 1930s

Many scandinavians immigrated to the united states as a result of the homestead act of 1862, which offered land to independent farmers. this is an example of a push factor, because turmoil in scandinavia encouraged people to leave. push factor, because a new opportunity encouraged people to come to the us. pull factor, because turmoil in scandinavia encouraged people to leave. pull factor, because a new opportunity encouraged people to come to the us.

This was an order issued during the civil war by president lincoln ending slavery in the confederate states