What countries has the united states dealt with regarding unfair trade practices?

The United States has dealt regarding unfair trade practices with Mexico and Canada.

Explanation:

The former president Ronald Reagan presented the idea of a common market with other markets in the 1980's similar to the system that helped many europian countries to economically grow, then years later, in 1984 the Traffic and Trade Act was past by the Congress, negotiations with both countries continued being made until January 1, 1989 when NAFTA deal was established.

254.34

step-by-step explanation:

the formula for area of a circle is given by

a = pi * r^2

a = pi * 9^2

a = 81*pi

using 3.14 as an approximation for pi

a = 3.14*81

a = 254.34

a drastic rise in oil prices ended decades of postwar.