How Does the Muslim Brotherhood Propose to Take Over or Change

How does the Muslim Brotherhood propose to take over or change the United States of America?

A) Although a minority, there is a significant population of Muslims in America that exceeds ten percent already. They will encourage all Muslims to unify under the banner of the Muslim Brotherhood.
B) Since the Muslim Brotherhood in America is so small, it is likely that they will turn soon to violent means to accomplish their goals.
C) They will spread out the influence they have over several states and have candidates run for office in local elections, eventually working up to national politics.
D) They are establishing numerous institutions that do not seem dangerous, such as educational or social institutions and mosques.