Which is more likely to fall under the topic of the progressive era

American troops were worried about cantracting in cuba a. yellow fever b. hepatitis c. polio

Describe some effects of the rise of communism in the soviet union?

How was hitler able to take control of czechoslovakia? ? a) czechoslovakia was forced to break its alliance with france & the soviet union to appease hitler b) without resistance, he extended his control of the sudetenland to include all of czechoslovakia c) the czechs reluctantly agreed to provide “lebensrum, or living space to the germans d) he was given czechoslovakia by great britain and france in keeping with the policy of containment. appreciate the