Question 1 Why did warfare in the 20th century see enormously high casualties as compared to previous wars?
Group of answer choices

The casualty rate rose during the 20th century because new technology made war far deadlier.

The casualty rate rose during the 20th century because soldiers fought harder.

The casualty rate rose during the 20th century because leaders saw soldiers as replaceable.

The casualty rate rose during the 20th century because fighters were no longer protected by tanks.

Question 2

Why were tanks developed for use on the battlefield?
Group of answer choices

Tanks were developed to carry large number of soldiers quickly to battlefields that were constantly changing locations.

Tanks were needed along the frontline trenches of World War I because it had become impossible for either side to advance.

The technology for tanks was developed so that larger guns could be fired at enemy soldiers without the need for reinforcements.

French engineers developed the tank as a way to protect soldiers of World War II from direct enemy attack.

Question 3

What technology developed during the Cold War was also used by the Americans and the Soviet Union to put a man into orbit during the Space Race?
Group of answer choices

Medical technology developed to keep men from suffering from illness discovered during World War I would prove useful during the Space Race.

Heavy armor technology would be used by both the Soviet Union and the United States as they raced for supremacy of outer space.

Jet engine technology that would create the thrust needed to get beyond Earth’s gravity would be used by these superpowers in the Space Race.

Submarine technology that allowed for deep sea breathing that was developed during World War II would be adapted and applied for use in the Space Race.