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.
Answer:
poison gas
Explanation:
PLS GIVE ME BRAINLIEST PRETTY PLS!
If only one company provides a service it can monopolize that sector and cause price gouging. If several companies provide a service and those companies must be competitive with each other to attract business/customers.