Answer:
D. .give them back the land they lost during lamar's presidency
Step-by-step explanation:
in 1839, Mirabeau Lamar ordered series of attacks toward Native American tribes. He ordered those attacks to conquered their ancestral land which possess large varieties of resources that would be beneficial for the settlement.
After Sam Houston took his position, he wanted to fix the bad blood that's created by Lamar. But, giving back the ancestral land to the native Americans would massively reduce the amount of economic income in Texas. So, He chose not to gave it back.