Assuming that this is referring to the same list of options that was posted before with this question, the answer is that they have gotten involved with casework for all of the following reasons except "domestic issues"
Prime Minister. The Prime Minister is an MP and head of the government. The leader of the party that wins the most seats in a general election is appointed Prime Minister by the Queen. The current Prime Minister is Rt Hon Theresa May MP, leader of the Conservative Party.
Answer: the wooden seats you sit on
Explanation: i don’t know i haven’t been to church in a while :)