The History of Texas Suburbs Is Marked by Racial Segregation

The history of Texas suburbs is marked by racial segregation because

A) the federal government used policies like redlining and urban renewal in a discriminatory manner.
B) state and local governments engaged in discriminatory practices such as exclusionary zoning and racial covenants.
C) some realtors and lenders steered their clients into segregated neighborhoods.
D) all of these choices are reasons that racial segregation marked the development of Texas suburbs.