What is the most widely used method for the ratification of an amendment to the constitution?

What words or phrases does marx use to indicate that marxist communism has international and worldwide goals

What is one example of trench warfare ?

Which of the following is an example of the pull factor known as economic migration? a. better educational opportunities pulling people towards a new country b. mexican laborers entering the us to work in agricultural jobs c. joining family members that are already in a new country d. crop failures driving people away from their country i am unsure on this question, i was thinking b? but i could be wrong.