The railroads, in the U.S., helped move people westward.
It's not so much that the women's rights movement and suffrage were given a boost by the Civil War itself, but more by the end of the war, since amendments were passed that gave African Americans voting rights--making women think that they could attain them as well.
It sparked investigations into the attacks, as well as the ongoing War on Terrorism in Afghanistan. The response included funds for affected families, plans for the War on Terrorism, rebuilding of Lower-East Manhattan, and the invasion of Iraq and Afghanastan. The Bush administration had issued a war on terrorism. This was a goal to bring Osama bin Laden and al-Qaeda to justice and preventing disturbance from other terrorist networks. The U.S. was not the only nation to increase its military readiness.
Answer:
The industrial revolution
Explanation: