PLZ HELP

From 1879, many boomers tried to claim unassigned lands in Indian Territory because 1-1-. They were attracted to lands because2-.

Options :
1. A. They were public lands
B. They had purchased those lands
C. No tribes occupied those lands

2.
A. Lands provided a lot of jobs
B. Cheap land was hard to find somewhere else
C. The land here was exempt from federal taxes
( plz out right answer it’s an important test for me)