Answer:
The party in government refers to the political party that currently holds the majority of elected offices in a given government, such as the federal government or a state government. In the case of Texas, the party in government may refer to the Republican Party or the Democratic Party, depending on which party holds the majority of elected offices in the state.
The party in government in Texas would include all elected officials who belong to the party that holds the majority of offices in the state, including the governor, lieutenant governor, state legislators, and other state officials such as the Railroad Commissioner of Texas.