When is it generally best to implement a pst program?

What did passage of the immigration act of 1965 accomplish? the law lowered the number of asians allowed to immigrate to the us. the law allowed no more immigration from european nations. the law supported victims of political persecution. the law made an effort to establish a quota system.

Why have the aztec ruins in mexico city not been dug up?

What is a country called that is technically independant but is controlled by another country