Northern states or the Union supported the use of Federal military force to enforce laws. Though all the states have independent functionality, some laws which are of national significance, with the consent of the state will be enforced by the federal government.
Explanation
Tariff of abominations is a series of taxes inflicted on the imported goods based on the region of the country. South believed that these taxes targeted their states as southern states mostly relied on imports in order to stabilize their economy. It is abominable and mostly disgusted by the southerners.
But when there is unlawful obstructions raised by specific groups against the constitution and not allowing supreme court to give it final rulings, then the president can enforce militia in order to enforce federal laws. This happened with the state South Carolina which refused to pay the import duties and it warned that it would secede from the Union. This was addressed with wrath and annoyance by Jackson who advocated military support to enforce the federal laws.
The Roman Empire fell because it messed with Germanic tribe for years. The Germanics were tired of this and a group a barbarians(Goths) approached the Roman Empire and took over. The romand were also suffering from financial crisis from constant wars.
The Islamic Golden Age is traditionally dated from the mid-7th century to the mid-13th century at which Muslim rulers established one of the largest empires in history.
