<span>The purpose of the slave codes was to further limit the freedoms of slaves and give their owners all the authority in order to prevent a slave rebellion. </span>
Answer:
In this fashion the odometer, called the roadometer, was invented in 1847 by the Mormon pioneers crossing the plains from Missiouri.
Explanation: The odometer was attached to a wagon wheel as the wagon trav- eled. It was developed by William Clayton and Orson Pratt, and built by carpenter Appleton Milo Harmo
Both of the construction projects required a lot of manpower, so many unemployed men were hired.