Trade was a fundamental aspect of the ancient Greek world and following territorial expansion, an increase in population movements, and innovations in transport, goods could be brought, sold, and exchanged in one part of the Mediterranean which had their origin in a completely different and far distant region. <span />
The Missouri Compromise was an agreement made to keep the balance of slave and free states equal. Missouri was added as a slave state and Maine added as a free state in 1821.
United States control of Puerto Rico’s government with Puerto Ricans
becoming U.S. citizens after 1917; the Philippines providing a naval
base to guard U.S. trade in Asia, which in turn provided some
improvement in Filipino schools, roads, and healthcare.
Chester Alan Arthur is the answer