The first reason is their size. They are very small and are very difficult to see. Special technology needed to be developed in order to observe them and their behavior and reach the conclusion that they were in fact infectious agents that could cause diseases. This wasn't possible before because the microscopes weren't as well developed.
Another is that they have a very long incubation period. This means that if you have them, a long time will pass before they start harming you which meant that many people believed them to be harmless since they couldn't track their behavior over a longer time period, also due to the lack of good technology.
No one received the majority of electoral votes in 1824--due to this the top 3 candidates moved on to the House of Representatives for a vote.
In 1824, no clear majority winner came out of the electoral votes. Andrew Jackson, John Q. Adams, and William Crawford were the top three vote winners so they went onto the House vote. In the House, each state gets one vote--John Q. Adams ended up winning the election.
Answer: Here Go Your Answer I Cant Type It So I Took A ScreenShot
<span>They built aqueducts that carried water from the hills to the city.</span>
