The correct answer is B) Twentieth-century archaeologists unearthed many artifacts near the Indus River."
The statement that correctly summarizes the work of archaeologists in the Indus Valley is "Twentieth-century archaeologists unearthed many artifacts near the Indus River."
The Indus Valley was one of the oldest civilizations known to humans. They were part of the first human settlements with the ancient civilization of Sumer that settled in the middle of the Euphrates and Tigris Rivers, in what today in Irag, in the middle east. The Indus Valley civilization settled nest to the Indus River in the 3300 BC. They occupied the territories of what today is Northwestern India, Pakistan and some portions of Afghanistan.