Why do nations use trade barriers? check all that apply. they protect an industry from foreign competition. they increase commerce in developing regions. they place sanctions on trade with another nation. they aid nations facing war or political transitions. they reduce the price of imported products.

The answers are 1 and 3

1) They protect an industry from foreign competition

3) They place sanctions on trade with another nation

a. formula: f=ma or f/m=a

10,000n/1,267kg≈7.9m/

b. formula: a= and s=d/t

speed= 394.6/15

s=26.3m/s

a=

a=1.75m/

c. 7.9-1.75=difference of 6.15m/

d. the force that most likely caused this difference is friction forces

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.