7. What issue in the 1948 and 1952 elections led to the decline of the Texas Democratic Party? (1 point)

It was ordered to do so by the Texas judicial system.

An influx of new people showed renewed interest in the Republican party.

Conservative Democrats joined the Republican Party in support of state control over oil deposits.

Conservatives had made gains in the Democratic Party due to the admiration for Truman's leadership during World War II.

Conservative Democrats joined the Republican Party in support of state control over oil deposits.

The correct answer is: Conservative Democrats joined the Republican Party in support of state control over oil deposits.

During the 1948 and 1952 elections, an issue that led to the decline of the Texas Democratic Party was the conservative Democrats joining the Republican Party. This was primarily due to their support for state control over oil deposits.