This list of research topics would be of most use to a student writing a paper titled

a."the first red scare."

b."causes of the great depression."

c."the rise of american labor unions."

d."the 18th amendment and prohibition."

The Palmer Raids, Sacco and Vanzetti, the Boston Police Strike and the May Day Riot of 1919 were all part of what became known as "The First Red Scare". Following World War I and the Russian Revolution, American society experienced an intense and widespread fear of Bolshevism, communism, and radical politics.

the federal constitution of the united mexican states of 1824 was enacted on october 4 of 1824, after the overthrow of the mexican empire of agustin de iturbide. in the new constitution, the republic took the name of of united mexican states. it was replaced by the federal constitution of the united mexican states in 1857.

simplify brackets

8 - 2a - 7 = a + 40

simplify 8 - 2a - 7 to -2a + 1

-2a + 1 = a + 40

add 2a to both sides

1 = a + 40 + 2a

simplify a + 40 + 2a to 3a + 40

1 = 3a + 40

subtract 40 from both sides

1 - 40 = 3a

simplify 1 - 40 o -39

-39 = 3a

divide both sides by 3

-39/3 = a

simplify 39/3 to 13

-13 = a

switch sides

a = -13