Use the map below to answer the following question: A map image showing the location of cities in modern-day Pakistan is shown. Most cities are located in the northeast of Pakistan The Indus River originates in northeast Pakistan and flows southwest toward the Arabian Sea. Feeding into the Indus River are multiple secondary rivers such as the Shalom, Chenob, and Kabul rivers. In the middle of the country is the Suleimain Mountains and in the southeast is the The Desert. In the southwest is the Dasht River, but no major city is located near this river. © 2012 The Exploration Company Which statement correctly identifies the most important land feature and describes why that feature is so important to ancient human history? (1 point) 1.The frequent flooding of the Chenab River made settlement there impossible, thus forcing settlers to go back to a nomadic hunter-gatherer lifestyle. 2.The Indus River was the site for one of the earliest civilizations, without which agriculture, economy, and ancient society may have been drastically different. 3.The first boats sailed down the Indus River to reach the Arabian Sea; without it, modern sailing as we know it would not exist. 4.The Himalayan Mountains kept the people of present-day India from reaching Afghanistan.