Why did many native americans claim that the wagon caravans that traveled out west had a repulsive odor about them

Because the wagon caravans were not used to the native amaericans.

Explanation:

The wagon carravans arriving in America consisted of a new people fro other lands.

Most of this people were fleeing their lands to go to the newly discovered America in a bid to escape trouble and suffering.

Travelling to America was not that easy, it was a journey of miles. Thase travelling to America could not remain fresh fro depature to arrival.

On their arrival, the obviously would have a repulsive odor, especially to the native Americans who were only used to odor from their  group.

4 is the oni could think of