What characteristic gives the red river its name?

The name of the Red River derives from its color, which in turn comes from the fact that the river carries large quantities of red soil in flood periods. The river has a high salt content.  

The Red River is a major river in the southern United States of America. It received its named for the red-bed country of its watershed.

The south bank of the Red River formed part of the US–Mexico border from the Adams–Onís Treaty until the Texas Annexation and the Treaty of Guadalupe Hidalgo.

i do believe its (d) it allowed the government to offer pioneers sixty acres of western land if they lived on it and made improvements to it.

explanation: signed into law in may 1862, the homestead act opened up settlement in the western united states, allowing any american, including freed slaves, to put in a claim for up to 160 free acres of federal land. by the end of the civil war, 15,000 homestead claims had been established, and more followed in the postwar years

where are the options?

explanation: