order i guess im not sure
Based on the graph attached below, we can observe there is a sharp increase from the 1850s. The reason behind that increase is the Act of Consolidation in 1854, which the borders until that time expanded and resulted with the modern borders of Philadelphia. Indeed, the correct answer is an increase in the number of housing unit.
They had to pay high taxes and had little potical power
What makes Mikhail Gorbachev and the Chinese leader Deng Xiaoping similar is that, both of them have incorporated capitalist ideas into communist societies. The answer for this would be option 4. Mikhail Gorbachev is known as a former statesman of Soviet and Deng Xiaoping is also a former statesman of China.
The correct answer to this question is: 2, 4
Railroads allowed for the expedient movement of much needed raw goods on the front end and movement of finished goods at the back end allowing the industry to grow.