There are 30 perfect squares
In 1789 George Washington was sworn in as the first president, and gave the first inaugural speech at Federal Hall in New York City
1 — President of the United States
2 — Vice-President of the United States
3 — Speaker of the House of Representatives
4 — President of the Senate Pro Tempore (becomes VP when Speaker becomes President)(Cabinet Secretaries in Order of Post's Creation
5 — Secretary of State
6 — Secretary of the Treasury
7 — Secretary of Defense8 — Attorney General
9, — Remaining Cabinet Secretaries
Nationalism caused World War 1 . People put nationalism in their country above other countries which caused a lot of conflict