Once the united states entered world war i, its navy played a key role by

Escorting Merchant ships across the united states

Explanation:

believe me, its right i just took the test

latin america is a region of racial and cultural diversity.  it is a group of countries and dependencies in the americas where romance languages are predominant. the term originated in 19th century france as amérique latine to consider french-speaking territories in the americas along with the larger group of countries where spanish and portuguese languages prevailed.

explanation:

answer; i believe the correct answer is (the willamete valley);