Answer:
The great stink was dangerous due to its impact on London, thought to transmit the Cholera outbreak at that time.
Explanation:
The Great Stink was caused by humans, as at the time, feces was drained into the Thames. However, due to a hot summer in 1858, the feces smelt even worse. To add to the problems, the Thames river got polluted because of this unreliable sewer system.
The short answer is: "to a great extent". The entire plan of the Federalists was to create a strong central government instead of having many autonomous states. Of course this occasionally went against national unity in the sense that some people were opposed to this plan, but in general they favored unity.
Since there is no background information, I would assume they could be going on strike.
Cortés he was the explorer who conquered the Aztec empire for Spain and ruled it or the answer would be Spain