Support each other in times of war.
Explanation:
Major alliances were being made in Europe during the 19th century (1800s) due to expansion of territories and major countries appearing on the map. For example the Crimea War of 1853 has multiple major powers fighting each other. Russian Empire against Ottoman Empire, France, British Empire and Austrian Empire. Another example was is The Second Schleswig War of 1864 with Denmark against Prussia (Germany) and Austrian Empire. The alliances supported each other during these wars to take down a common enemy.
The two-party system of American governance was established as a result of differences between Hamilton and Jefferson. The Federalist party, which was founded by Hamilton and other proponents of a more powerful national government and had leaders like John Adams and John Jay, was founded.
He brought new excitement and power to the Presidency, as he vigorously led Congress and the American public toward progressive reforms and a strong foreign policy.
