Which of the following weapons helped continue the stalemate on battlefields during World War 1? the tank
the submarine
O the fighter plane
O the machine gun

i need a answer asap

Ateam of scientists studied the sediment at the bottom of an ancient lake. they were able to determine the weather conditions of the indus valley in ancient times. they found that the entire area had suffered a drought after the monsoons declined. this drought lasted 200 years. because of the drought, there wasn’t enough food or water. the people of the indus valley were forced to leave their cities.

What are the purposes of a political cartoon? check all that apply.

True or false president andrew johnson granted pardons to thousands of southerners.