<em>All choose is an example of how local environmental disasters can have a global impact</em>
Explanation:
Green House gases, local impacts such as cattle, excessive emissions of to the atmosphere by fabrics or by anthropogenic impacts at local levels act as a synergic force worldwide.
SARS, infectious disease would cause a serious human health problem worldwide if is not attacked to eradicated effectively at local level. Nuclear Energy Incidents cause genetic disorders, directly to the humans that live in the time that the incident happens.
During the construction of the transcontinental railroad in the United States, <span>many new towns and settlements grew. So the answer is D. The railroad allowed people to travel to new territories in a fraction of the time it would take on horseback. </span>
They ensured the disenfranchmisement of African Americans without violating the Fifteenth Amendment by using poll taxes and literary tests Hope this helps :)