Answer:
<h3><em>D</em><em>O</em><em>C</em><em>T</em><em>R</em><em>I</em><em>N</em><em>E</em><em> </em><em>O</em><em>F</em><em> </em><em>L</em><em>A</em><em>P</em><em>S</em><em>E</em><em> </em><em>I</em><em>S</em><em> </em><em>U</em><em>R</em><em> </em><em>A</em><em>N</em><em>S</em><em>W</em><em>E</em><em>R</em></h3>
The correct answer is:
A. The sinking of passenger liners.
The use of submarines during World War I resulted in the sinking of passenger liners.
The stock market rose dramatically due to the practice of buying on margin and speculation because this allowed people to invest with other people's money (usually the bank), meaning that they were able to take more financial risks.
The annexation of Texas led to the war with Mexico, with the US victorious in the end. <span>The slave-based cotton production skyrocketed as Texas was used for farming plantations. It also rounded out the borders of the US.</span>
