The correct answer to this open question is the following.
Although you forgot to attach the options for this question, we can say the following.
In recent years, the religious right has had a great effect on American politics through grassroots and mobilization.
Religious groups have been increasing their influence and participation in United States politics by mobilizing their members in many different events nationwide.
When are referring to grassroots, in political terms this concept means the formation of a movement that invites people's participation in different electoral districts or regions of the country to support their agendas.
Another form that has been used in recent years is that interests groups -including religious groups- hires lobbyists to pressure legislators to pass or promote legislation that favors their political interests.
