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.
This map shows various countries in East and Central Asia. China is represented in green. Letter A is Russia; letter B is Mongolia; letter S is India; letter E is Nepal; letter F is Buthan; letter G is Bangladesh; letter H is Laos; letter I is Vietnam; letter Q are North and South Korea; letter R is Japan; letter M is the Yellow Sea; and letter L is Taiwan.
D) To establish boundaries in the event of a nuclear war
The Louisiana purchase was a great deal because it was a lot of land for a very cheap price. I'm not sure if it was constitutional sorry, hope I helpd
Photosynthesis, the "sugars" that is made by the plants is also called glucose
