Political parties and interest groups who influence the action of government must have this freedom

Political parties and interest groups who influence the action of government must have freedom of assembly. So that is the correct answer. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help. 

Texas’ gulf coastal plains are the western extension of the coastal plain extending from the atlantic ocean to beyond the rio grande. its characteristic rolling to hilly surface covered with a heavy growth of pine and hardwoods extends into east texas. in the increasingly arid west, however, its forests become secondary in nature, consisting largely of post oaks and, farther west, prairies and brushlands.