The name was Domino Theroy
B) imports
The Townsend acts taxed imports, such as tea, they wanted to receive revenue from colonists.
Answer:
B. Bakery owners refusing to make cakes for same-sex couples
Explanation:
Grassroots activism is at a local level, which eliminates C.
Publishing for an audience isn't necessarily supporting or opposing them, not is it at a local level- eliminating D.
As for A, being transgender doesn't relate to same-sex marriage, and President Obama appointing someone to the cabinet isn't considered local either.
I hope this helped!