Its a cross between 1. and 4.

a - 7 < <span>

a - 9 Give the fractions a common denominator. (2 and 3 both go into 6)
</span>

a - 7 <

a - 9 Subtract <span>

a from both sides
-7 < </span><span>

a - 9 Add 9 to both sides
</span>2 < <span>

a Multiply both sides by 6 to cancel out the fraction
12 < a Flip the inequality to make it easier to read
a > 12</span>
They Unionize migrant workers!
<h3>B) The U.S. had previously held a policy of isolationism.</h3>
Propaganda is what keeps the masses content with the dictator