In the 1860s,cattle Drives from Texas to Missouri

Multiple Choice

In the 1860s,cattle drives from Texas to Missouri

A) saw the herds suffer heavy losses.
B) proved that cattle could be driven to distant markets.
C) established a link to the booming urban markets of the East.
D) both proved that cattle could be driven to distant markets,and established a link to the booming urban markets of the East.
E) All these answers are correct.