PLEASE HELP

Below is a list of causes of the First World War. Rank These in order of significance (where 1 is the most significant and 6 is the least) and give brief reasons for the positioning of each reason in your list:
• the alliance system in Europe
• the naval and arms race
• the invasion of Belgium
• the assassination of the Austian Archduke
• imperial rivalries
• Russian mobilization

The line dividing regions 4 & 5 on this map is known as the "fall line." which of these represents an important factor of the fall line in georgia history? a) it was the first boundary of the georgia after it became a state. b) it was an important source of power due to a change in elevation. c) it was once home to major cities that have since become abandoned. d) it was a dividing line between the united states and native american territories.

The factory system of the early-19th century caused a) a decrease in farm production. b) an increase in rural population. c) an increase in urban population. d) high unemployment in other areas.

What event caused france and napoleon to want to get rid of its louisiana territory in north america? a) civil war b) seven years war c) slave revolt in haiti d) the french and indian war