Because the bill has to go through the House of representatives then get passed to the president by the bill may become vetoed making it hard for bills to become laws.
Differences
North India - landlocked
South India - Long coastlines
North India involved in wars and invasions,
South India - Little war was able to protect culture
North India - De urbanized
South India - Urbanized
Liberty bonds where war bonds. Sold in the United States, it became a symbol of patriotic duty and supported the Allies during World War I. To put it simply, people purchased the bonds from the government and the money went to the war effort.
I hope this helps! :)