The Union Pacific and Central Pacific railroads connected in Utah.
People can change religion, but not their ethnic group.
Explanation:
<h2>A. Each person is responsible for his or her own actions </h2>
They started to create more safety precautions. Airport security has been upgraded to extremes with scanners and xrays. Border security has also been emphasized on. The US has taken countless steps, alot of which are directed towards defence