How did hellenistic culture affect roman culture ?

Alexander led wars of conquest to the East and South spreading Greek ideals and culture from the Eastern Mediterranean to Asia.

Explanation:

Alexander of Macedonia spread Greek culture throughout the Eastern Mediterranean including the Persian Empire, importans parts of Asia and Africa. Since Alexander respected the local cultures he defeated, he allowed their customs to continue. Then a mixture of cultures ocurred. By this ocurring, Alexander allowed the Hellenistic Age to shine, a time when Greek culture mixed with the various cultures of Alexander's vast Empire.

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain