<span>New factory jobs attracted millions of immigrants.
</span>
The North developed to be the factory power house of the USA, as early as colonial days.The main reason for this is becasue the physical environment of the North such as fast running rivers favored industries. This attracted more people into the area, who were looking for better opportunities.
<span /><span />
<span />
Ultimately, the reforms initiated by Mikhail Gorbachev led to the downfall of the Soviet Union. The correct option among all the options that are given in the question is the third option. Mikhail Gorbachev was born on 2nd march in the year 1931. He was the eighth and the last leader of the soviet Union. After that many states departed from the Union and it came to be known as Russia.<span />
The correct answer is - hospitals.
The infrastructure of a country is a set of built objects where services are offered, and people work, or are using them in their daily lives for their activities. In the infrastructure of a country also fall the schools, colleges, and universities, roads, airports, administration buildings, factories etc. They all have someone that works in them, something that offer, and are used, to and by the general public, and the more developed the infrastructure is, it usually means that the more developed the country itself is as well.
