div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: sortinacomsortinacomfilesThe_World_Past_and_Present_Chapter_5d_Chapter · Shang Dynasty begins 1500 BC Migration of Aryans into the Indus River Valley About 1400 BC A system src=https:reader031vdocumentinreader031viewer20220226075b82a0ff7f8b9a64618b57b7html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: sortinacomsortinacomfilesThe_World_Past_and_Present_Chapter_5d_Chapter · Shang Dynasty begins 1500 BC Migration of Aryans into the Indus River Valley About 1400 BC A system src=https:reader031vdocumentinreader031viewer20220226075b82a0ff7f8b9a64618b57b7html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv