What was the first american spacecraft to land on the planet mars?

As a result of the french fur trade in the 1600s, 1.french settlers came into conflict with english settlers.2.american indians began making fewer things themselves.3.european demand for furs dropped dramatically.4.french settlers began to exploit american indians.

True exact date for the withdrawal of american combat troops in iraq was set for august 31st 1. 2011 2. 2010 3. 2012

How did the united states surprise other delegates at the washington naval conference in 1921?