Answer:
The impact of the Panama canal helped boats travel through Central America faster and more convenient. It also helped them safely travel through the waters without any rough conditions.
Explanation:
This happened prior to 1974.
Before 1974, it was possible for Texas governors to have only two-year terms, whereas after that year, it was decided that governors could be elected to serve for unlimited four-year terms, which was an important change in the system.
So they have something to rely on
The answer to the question is most probably C is not 100% sure tho
