The interest group education for all would like their state legislature to spend more money on teachers’ salaries, so the leaders of the organization travel to the capital to meet with lawmakers. this is called .

When the leader of the organization travel to the capital to meet with the law maker , it's called lobbying
Lobbying is the act to influence a politician / public official to influence their action so it will bring benefit to the lobbyist

hope this helps 

Ithink the answer is b. shakeri hope im not wrong : )