Push And Pull
Brazil: Religious persecution
They leave Brazil and migrate to the USA for better economic systems and better jobs so they could be payed a good amount to support themselves and family.
China: ethnic prosecution
The migrated to the US because they needed high working workers. Also because the people were free to have any religion they wanted and to have the rights we do.
India: environmental factors
In India it is very crowded and people have very little space to live. Families and friends have to share small homes with large members in the family. More forest is being broken down to where the supply of water pollution and air pollution is rising.
They immigrate to the US for cheaper living and larger place to hold all of
their family members.
Mexico: economic motives
They are immigrating to the south.
Africa: forced migration
In May extremely poor South Africans turned against thousands of immigrants from other parts of Africa, killing some 50, and forcing thousands to leave. They thought it was unfair for them to live better then them and fought, but were forced to leave and go to camps. Where they were watched.