The correct answer is - C.) The towns sprang up along newly laid railroad tracks. Railroads could be built almost everywhere.
Lot of new towns in the United States were established on places that were not close to springs or rivers. That was kind of breaking the unwritten rule, as the human settlements had always been developing next to a freshwater source.
The reason why this trend occurred where the newly laid railroad tracks. With the railroad tracks and the trains passing on them, the people were able to move quickly to other places, as well as trade very easily. The railroads replaced the river's usage for transportation and travel, so the towns didn't had problems developing in places like this since everything became very easily available.
Kivas were underground chambers built by the Pueblo Indians for religious or political ceremonies.
Mendeleev arranged the elements according to increasing atomic mass. The modern periodic law says that the properties of the elements repeat periodically when the elements are arranged according to a certain trend. ... An incomplete set of atomic mass, density, and melting point data is given for three elements in a triad.
The first laws that penalized food
and drug adulteration is the The Adulteration of Food and Drugs Act 1860, which
was later revised in 1872, and the Sale of Food and Drugs Act 1875. Adulteration
was a thing before, but it caused illnesses to many workers that the industry
people have to pressure the government to pass anti-adulteration laws to reduce
absenteeism of their workers. The laws outlawed a lot of adulteration practices
and also made provisions for appointments of public analysts to inspect food
and drugs.
