<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.
The third option is correct: Ronald Reagan's plan to outspend the Soviet Union led to a collapse of the Soviet economy and the political overthrow of its government.