Which U.S. president from Texas initiated desegregation in the U.S. by passing several policies that gave more rights and freedoms to U.S. citizens of any race?

The U.S. president from Texas who initiated desegregation and advanced civil rights was Lyndon B. Johnson. He championed the Civil Rights Act of 1964, which outlawed discrimination based on race, color, religion, sex, or national origin, and the Voting Rights Act of 1965, which aimed to eliminate barriers to voting for African Americans. Johnson's policies significantly contributed to the Civil Rights Movement and expanded rights for all citizens.