the atlantic ocean is east of most of canada and the united states
A push factor is something that _bad __people away.
And push factor is bad things in economic is less money ,in environment is natural disasters,in social is bad rights,war and bad politic.
Land. You can buy land and use it for producing but a human cannot make land. You can make a capital (how do you think America was made) and make goods and entrepreneurship (skills)
Introduce a universal social pension, or ensure workers can organize and are listened to by policy-makers
Pleistocene
Explanation:
The Pleistocene epoch began about two million years ago and ended about 11,700 years ago.