Answer:
The Missouri compromise
Explanation:
In chronological order,
3 March 1820 - The Missouri compromise
24 Jan 1848 - The discovery of gold in California
9 Sept 1850 - The application for statehood by California
Sept 1850 - Compromise of 1850
So the first event that occurred would be the Missouri compromise
Chinese people not working hard because of using opium
Answer:
Europe and Asia is the two continents you're looking for
Explanation:
Are you talking about the Missouri River?
The right answer is mixing chemicals as instructed by the lab procedure. Because it ensures that the regulations and standards of chemical laboratories are being fulfilled by responding to the safety and proper functioning of the chemical laboratories and being archived for further verification.