The Truman Doctrine and the Marshall Plan represented attempts by the United States to deal with

The Truman Doctrine and the Marshall Plan represented attempts by the United States to deal with what threat? ... Carry out the United States policy of preventing the spread of communism.

whose power in the senate is equal to the power of the speaker of the house?

herodotus taught this. herodotus was an ancient greek historian who was born in halicarnassus in the persian empire. he is known for having written the book the histories, a detailed record of his "inquiry" on the origins of the greco-persian wars.