Answer:
Militarism, Alliances, Imperialism, Nationalism
Explanation:
because the big armies become potential threats to the other countries.
Answer:
Correct answer is c. American Indians.
Explanation:
The only correct answer among the mentioned ones is American Indians.
Namely, during the expedition they had no help of US military and the settlers as it was a territory in which practically no one step foot, except the Natives.
Therefore, their greatest advantage was the inclusion of a Native Sacagawea, who was leading them and helping in the communication with the Indians.
Italy and Japan are the answers
