15. What joint United States-Canadian project reduced pollution in the Nashua River
and encouraged the construction of wastewater treatment plants?
a. the Great Lakes Water Quality Agreement
b. the North American Free Trade Agreement
c. the Clean Water Act
d. the Dayton Accords

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The primary agent of contact metamorphism is

In an effort to japan recover from the devastating effects of the 1929 depression, japanese military leaders in the 1930s formed an alliance with nazi germany negotiated more trade treaties with the soviet union closed its doors to western trade adopted a policy of imperialist expansion