Answer:
i am pretty sure that the answer is A and D
Explanation:
Wires and wooden logs.
Both of these materials were essential for building a strong fortified line during the First World War. Having both of these meant that much more people on one side would survive as it was extremely hard to cross either of the two materials.
The enactment of the Clean Air Act of 1970 (1970 CAA) resulted in a major shift in the federal government's role in air pollution control. This legislation authorized the development of comprehensive federal and state regulations to limit emissions from both stationary (industrial) sources and mobile sources.
The answer is C. Slaveholders believed they helped enslaved people by providing food, shelter, and clothing while relieving them of responsibility.
