Which u. s. president significantly increased the amount of u. s. troops in vietnam during the last half of the 1960s?

Why did the us government remove native americans from the southeast in the 1830s

The zealots were for a: the teaching of jesus b: temple and sacrifices c: faith and law d: the military overthrow of roman rulers h. e.l. p asap i'm taking a test

Who did the first work in creating vaccines