An increase in military spending is most likely caused by war, or multiple wars, or incoming wars, or similar.
The two gatherings are the Democrats and the Republicans, the overwhelmed American legislative issues and presidential races. The Democrat depends on the group and social duty while Republican depends on individual rights and equity.
I hope the answer will help you.
In 1854, the controversial Kansas-Nebraska Act, split two
existing political parties the Whig party and Jacksonian Democrats and led to
the creation of the Republican party. Kansas-Nebraska act overturned the Missouri
compromise and allowed settlers to decide whether slavery would be allowed in
their state. This led to the creation of the Republican party founded by anti-slavers
whose primary objective was fighting slavery.
