I need an answer with really simple words, not strong words please
What's The Halifax Explosion

Which caused demand for farm products to decline after world war i

How has urban renewal affected poorer neighborhoods in major cities? check all that apply. 1. communities have been transformed to meet the needs of the modern population. 2. old stores and factories have been renovated and used for new purposes. 3. crime rates have increased as more money has come into the neighborhoods. 4. many community businesses have gone into decline or been forced to close. 5. a number of african americans have been displaced from their homes.

Explain how colonists treated the native americans and what happened to natives. ! ^^^ 12 points