1. The crew and supply the ship can carry and handle.
2. The period and duration of exploration. The main issue of every travel and exploration was the time it took the ship from its origin to the supposed destination. The new types of sailing ships was more improved applied with machinery as the centuries past and traveling went from years to months to days.
3. In times of war or conflict
The amendment process best shows the concept of federalism because D. it requires involvement by both the national and State levels of government.
Rome n Carthage were the two superpowers of their time.
They both saw each other as threats.
So the Romans simply fought to gain more power.