If im correct, it was the roman catholic church
The challenges were :
1. Lack of Experience. Since George Washington never had any experience in managing any form of Government, operating a country is a huge obstacle for him.
2. American government was placed in the middle of conflict between Great Britain and France. And it is really hard for George to remain neutral despite all the pressures from both sides
3. Many united states conducted their own local rebellions
Villa's dominance in northern Mexico was broken in 1915 through a series of defeats he suffered at Celaya and Agua Prieta at the hands of Álvaro Obregón and Plutarco Elías Calles. After Villa's famous raid on Columbus, New Mexico, in 1916, U.S. Army General John J. Pershing tried unsuccessfully to capture Villa in a nine-month pursuit that ended when the United States entered into World War I and Pershing was called back. Villa retired in 1920 and was given a large estate, which he turned into a "military colony" for his former soldiers
so A
Settlers were using up Native American resources
Answer: settlement of the great plains
Explanation:
