The biggest change that the Europeans brought to the Anasazi was tge religion of?

The Anasazi left cliff dwellings (possibly because of drought) and disappeared before Europeans arrived

The Anasazi formed an Amerindian archeological culture of the cultural super-area of Oasisamérica. They occupied, in several groups, the surface of the current states of Colorado, Utah, Arizona and New Mexico. Its civilization has left several popular and liturgical vestiges in different places, of which two have been classified as world heritage by Unesco. The remains found by archaeologists demonstrate a knowledge of ceramics, tissue and irrigation. In addition, they drew symbols that have not been deciphered and observed the displacements