The answer is A.
Proof:
The Caddo first encountered Europeans in 1541 when the Hernando de Soto Expedition came through their lands.De Soto's force had a violent clash with one band of Caddo Indians, the Tula, near Caddo Gap, Arkansas. This event is marked by a monument that stands in the small town today.
C:
They possessed large amounts of raw materials
The focus of the Renaissance at the time was on the works of
the Greeks and Romans. Emphasis was more
human activities like science, literature and the arts. This was called
Humanism where the focus of learning was on culture. Knowledge and ideas once lost was revived and
was now growing in Europe and this helped in cultural and intellectual
development.