Considering the growth of political action committees and other single-issue groups, do we need to place new checks on these factions in order to preserve democracy?

Analyze and evaluate the motivation and the rationale behind western expansion through the louisiana purchase that took hold in the united states at the start of the 19th century (long essay question)

This is an ap world history question. i am working on a worksheet which has a vent diagram with each circle labeled either us or byzantine economy. the middle is the similarities. can someone explain to me the similarities and especially the differences between the two?

What was love canal? what was the significant hazardous waste event that happened and when did it occur?