Choose the answer that best completes the sentence below.
Water helps form canyons, sinkholes, fields, and swamps;
water helps form much of the land around it.
А
but
B
third
as an illustration
D
in summary

Which of the following best describes the circumstance under which countries block the importation of certain products into their country? a. importation blockade b. trade barrier c. trade inhibitor d. domestic protection act