its letter d :) hope this helps
Is that the question on what’ve right test or study guide ur getting the answer for?
Well, people could communicate easier and be able to get around easier. This helped people in the U.S. lot.
Question:
How did Sacagawea contribute to the success of the Corps of Discovery?
Answer:
She could identify roots, plants and berries that were either edible or medicinal. Sacagawea's memories of Shoshone trails led to Clark's characterization of her as his “pilot.” She helped navigate the Corps through a mountain pass—today's Bozeman Pass in Montana—to the Yellowstone River.
Prussia’s principles of military readiness spark military competition throughout Europe and the world as other countries strove to imitate them in becoming ready militarily too.
<h3>How did this help Prussia's Army?</h3>
The principle of military readiness helped improve Prussia's army. Under the leadership of Helmuth Von Moltke, the army became very modern even before their rivals.
They built better rifles, better training and developed modern military tactics which made them one of the best armies in Europe.
Learn more about Prussia Principles of Military Readiness at:
brainly.com/question/12516065
