Help. Anything is appreciated :')

Which of the following was a boundary established by the Adams-Onís Treaty?

A.The border between Louisiana and Texas was the west bank of the Sabine River.

B. The border between Louisiana and Texas was the Red River.

C.Spain's eastern border was the Sabine River.

D. Spain's eastern border was the Atlantic Ocean.

°.✩┈┈┈┈∘*┈┈୨♡୧┈┈*∘┈┈┈┈✩.°

What were benefits of river transportation in the early 1800s? (Choose all that apply.)

A. River transportation allowed for the export of goods along the Red River.

B. River transportation made it easier to move produce and animal skins to the Three Forks Trading Area.

C. River transportation was the primary means of travel for explorers to carry out their expeditions in Oklahoma.

D.River transportation was used to transport goods to early military installations.​