B. Demonstrations, lectures, and the development of tourism
Explanation:
Native's art was a huge attraction for the tourism business in new Mexico. Many people travelled across the states just to see those arts with their friends and families.
But, that's not the only factors.
Lectures about lost native arts that happened because of the overtake by the federal government improve people's awareness of the native arts. This led to demonstrations that demanded the government to let the natives artists to show their art freely for the public and share some part of incomes generated from the art to the Native community.
