What two men did president thomas jefferson send to explore the new territory acquired through the louisiana purchase? william clark john o'sullivan george custer meriwether lewis

William Clark & Meriwether Lewis is your answer.

these two men lead the Expedition to chart the lands west of the US and to, not only chart the lands, but to also build relationships with the people groups living there

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The correct answer is "  it was believed that the dispute emerged in 632 just after the death of the prophet muhammad."