Please help! This is a history honors class I’ll give 30 points

Look at the map of cities in the united states at the turn of the twentish century what impact did railroads have on cities across the united states at the turn of the twentish century

The collapse of the roman empire most likely to empower the catholic church because

Is harry truman considered a hero or a tyrant for dropping the atomic bombs on hiroshima and nagasaki? (need a paragraph)