The answer is "Be aware of changes through history and think critically for possible patterns today."
Stuff like flint and wood were used to make weapons for fishing and hunting but they used other stones to sharpen the flint
Each a had a House of Lords
The civil war was fought over the moral issue of slavery it was the main conflicting cause of the civil war
The supreme court heard a number of cases involving slavery in the late 1840s and 1850s. With one mnor exception, slaveowners won every one of these cases and the court overwhelmingly supported the power of congress to assist them in recobering fugitive slaves.