Tiebacks used with the anchored soldier pile system of excavation support consist of
O
A) prestressing tendons in grouted holes.
O
B) structural steel angle sections in grouted holes.
O
C) reinforcing steel bars in grouted holes.
O
D) prestressing tendons or reinforcing steel bars in grouted holes.

Which of the following best explains the purpose of protectionist trade policies such as tariffs and subsidies? a. they make sure that governments have enough money to pay for fiscal policies. b. they give foreign competitors access to new markets around the world. c. they allow producers to sell their products more cheaply than foreign competitors. d. they enable producers to purchase productive resources from everywhere in the world.