Answer:
c. the mississippi river,
and
d. the st.lawrence river
Explanation:
they were explored by Champlain and La Salle, who were french explorers
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the ninth amendment of the constitution
Answer:
World War 1 was the first war in an industrialized age. New weapons and vehicles were used in this war that had never been used before. ... WWI was the first(and only) war in which poison gas was used. The first instance when poison gas was used in the Second Battle of Ypres.
Explanation: