Review the Gold Rush and statehood unit, connecting the discovery of gold, migration, boomtown life, statehood, and the Gold Rush's full impact into one timeline.
This unit covered an extraordinary eight years: gold discovered in January 1848, a flood of newcomers from around the world by the early 1850s, boomtowns rising and sometimes vanishing, and California becoming the 31st state in September 1850 as part of the tense national Compromise of 1850. Along the way, you traced who truly won and who was severely harmed by this rush -- merchants and businesses like Levi Strauss's on one side, and on the other, most individual miners who did not strike it rich, and especially Native Californians, who suffered a catastrophic and honestly documented loss.
The throughline connecting this whole unit to the last one: California kept changing incredibly fast, and each change (Spanish to Mexican to American rule, and now a sudden gold-driven population explosion) reshaped who held power and who paid the highest cost. That pattern of fast growth and uneven cost is worth watching for again as the final unit turns to how California kept building itself into a modern state.
Mastery looks like: They can sequence the unit's major events and explain both the economic and human costs of the Gold Rush.
Common stumbles: Treating the Gold Rush as only an adventure story; forgetting the statehood and Compromise connection to national history.