Answer:
C. Abundant coal and iron ore deposits
These problems mostly included the issue of racim which was a very problematic issue in the 19th and the 20th century. Not only this, another issue were the rights of women and worker rights in the US.
Answer: Congress must call a convention for proposing amendments upon application of the legislatures of two-thirds of the states (i.e., 34 of 50 states). Amendments proposed by Congress or convention become valid only when ratified by the legislatures of, or conventions in, three-fourths of the states (i.e., 38 of 50 states).
Explanation:
