Americas president is Joe Biden
ANSWER PART 1. : At 8:46 a.m., five hijackers crashed American Airlines Flight 11 into the northern façade of the World Trade Center's North Tower.
PART 2 : At 9:03 a.m., another five hijackers crashed United Airlines Flight 175 into the southern façade of the South Tower.
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The best option is would be to prevent future acts of terrorism in the United States through coordination. It is the most important transformation of the US government by largely transforming and realigning government activities into a single department where the primary goal is to protect the United States of America.
The major cause of the Great Depression was the collapse of the stock market.
<h3>What is Great Depression?</h3>
Great Depression refers to the economic breakdown of the united states in 1929 and 1939 which led to the serious recession in the economy. This incident took first time in the history of the industrialization.
The economic breakdown began with the crash in the Stock markets where millions of the people had their investment and it led to the panic situation in the Wall streets.
The depression led to the fall in the production of the output and which raised the prices of the commodity. There was the tremendous increase in the level of unemployment.
Learn more about the Great depression here:
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Answer: The act blocked Chinese immigrants from becoming American citizens.