According to the statement above: "These explorers ventured into the Louisiana Territory in 1803 and became the first U.S. citizens to navigate their way westward to the Pacific Ocean."
The answer is: Louisiana Purchase.
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At the 1787 convention, delegates devised a plan for a stronger federal government with three branches, executive, legislative and judicial, along with a system of checks and balances to ensure no single branch would have too much power.
Answer:
The attack on the World Trade Center.
On February 26, 1993, 6 people died, but hundreds of others were injured and sent to the hospital in critical conditions.
Answer:
China's history is very rich and diverse. China used to have dynasties which ruled it with the Qin and Qing dynasties being popular. The people's republic of China came into existence in 1946 under the leadership of Mao Zedong.
Explanation: