<span>c. phanerozoic eon Im like 25% sure</span>
This is true.
The definition of megalopolis is that it is a large urban area, huge and densely populated. St. Petersburg is definitely one, however, Miami is relatively small compared to other megalopolises so it might not fall within that category.
Colonialism hindered a LEDCs level of development. A colony helped supply food and minerals to countries like Britain and France. ... In many cases gold, diamonds and other valuable resources were taken back to the home countries leaving the colony with little material wealth.