1836<span>Remembering how badly the Texans had been defeated at the Alamo, on April 21, 1836, Houston's army won a quick battle against the Mexican forces at San Jacinto and gained independence for Texas. Soon after, Houston was elected president of the Republic of Texas</span>
Dividing political power between a central authority and other units, like the states in the United States, is the main concept of "federalism," since this allows for states to exercise a certain amount of autonomy while still allowing the federal government to control the most important issues facing the nation.
I believe it is Washington DC
Ordered James Madison, his Secretary of State, to stop work on the appointments.
the year of the opium war was 1839 through 1860