CURRICULUM EXAM PLS HELP

Which statement best explains how geography contributed to the development of the Harappan civilization?

Harappa was located in a dry area, which provided opportunities for better hunting.
Harappa was located in a remote area, which allowed the people to avoid warfare.
Harappa was located in the Indus River Valley, which provided fertile land for farming.
Harappa was located in the Himalayan Mountains, which encouraged trade with other groups.