Question

after world war i, many people in the united states wanted to avoid war because they
were tired of losing
american lives in
europe.
were tired of losing
american
investments in
europe.
did not want to
interrupt significant
economic growth.
did not feel that
european countries
posed a threat.

Explanation:

After World War I, the U.S. had suffered massive casualties in the European conflict, which led to widespread war weariness among the public. The primary motivation for avoiding future war was the desire to stop losing American lives in foreign conflicts. The other options do not align with the dominant sentiment of the era: American investments in Europe were not the core public concern, economic growth was not the main driver of isolationism, and many did see post-war Europe as unstable (though not the key reason for avoiding war).

Answer:

were tired of losing American lives in Europe.