Which groups of native americans were involved in conflicts in texas?
a. cheyenne and arapaho c. comanche and sioux
b. comanche and kiowa d. sioux and arapaho

The correct answer is C) Comanche and Kiowa.

The groups of Native Americans that were involved in conflicts in Texas were the Comanche and Kiowa.

There were many Native American Indians that inhabited the territory of Texas. These native people honored the land and performed war chants an dances to thank nature for all its provisions. The Indian tribes that lived in Texas were the Bidai, the Kitsai, the Jumano, the Comanche, the Apache, the Caddo, the Kiowa, the Wichita, and the Tonkawa. But the two groups of Native Americans that were involved in conflicts in Texas were the Comanche and Kiowa.

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.