Answer:
A grassroots campaign/movement is where people organically gather as the basis for supporting a political/economic issue.
Explanation:
A grassroots campaign/movement is made up of people from a specific district or area. These people form a basis for a political/economic movement/development
Wealthy residents bought works of art, which supported artists.
Its fair to say that "it is designed to bend like a willow" because the constitution was made fairly flexible, and this gave the government bandwidth to extend its power to meet new situations.