Complete this statement: the origins of the progressive movement were rooted in the
a. abolition movement.
b. republican movement.
c. populist movement.
d. democratic movement.

The origins of the progressive movement were rooted in the abolition movement due to fact that abolitionists were those who suprotedt to great social inclusion into politcial society of teh unietd states

Use the formula: (n-2)×180, where n is the number of sides(18-2)×180= 28800, now this is the full exterior angle of 18-gon so you divide it by 18.28800÷18=160