I'm stuck on two questions 1) the harappans used to build their cities? 2) which major river flows through the northern and northeastern regions india? keep in mind that this river has played a huge role in the development of indian civilization. river flows through the northern and northeastern regions of india?

clay or mud

Ganges

Explanation:

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).