National landmarks......?
I think A.
The most remarkable feature of Harappan civilisation was its urbanisation. The Harappan places which were small towns, show an advanced sense of town planning. ... System town planning, drainage system, granary, dockyard, public bathing place, use of bricks, buildings, etc.
Because it's the way of the road.
By forming trade blocs United States and other nations primarily cooperate economically
Supporters of the new jersey plan wanted to <span>strengthen them
The new jersey plan was proposed that all states in USA must be controlled by one legislative body.
The articles of confederation (which united all the 13 early states of USA) did not specifically stated how these states should unite under one law. So the existence of the new jersey plan strengthen the articles of confederation</span>