Which term is used to collectively describe foreign substances like bacteria, viruses, and other pathogens that trigger an immune response?

a. antibodies
b. antigens
c. antibiotics

Which statement best evaluates the impact of the 1929 stock market crash on europe? 1. the united states established high export tariffs to europe that reduced goods exported to germany. 2. the united states promoted domestic policy initiates that reduced jobs on american bases in europe. 3. the united states promoted isolationism that withdrew troops from europe causing germany to pay its own national defense. 4. the united states eliminated loans to europe that caused germany to default on its reparation payments to france.

What potential crisis did eleanor roosevelt resolve on behalf of president roosevelt

1.who controls fascism government? 2.who controls communism gov? 3. how do they stay in power