What was one effect of the tariff or 1828

The effect of the tariff of 1828 was that foreign countries purchased less cotton from the South.

answer; slavery should be outlawed in the new country, was part of the initial draft of the declaration of independence, but not part of the final

the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69