What is the maximum area one can accumulate through a bounty grant?

The maximum area one can accumulate through a bounty grant is indeed 1280 acres. This figure stems from historical land policies that aimed to encourage settlement and development in Texas. Specifically, bounty grants were typically issued as a reward for military service and were intended to provide soldiers with a significant incentive for their commitment. The rationale behind 1280 acres, which is equivalent to two square miles, reflects the desire to provide enough land for a family or settlement to be sustainable.

It's important to note that the other options represent areas that, while sizable, do not align with the established limits set by the bounty grant policies. The 640 acres option represents a potential limit for other forms of land grants but is less than the maximum for bounty grants. The larger figures of 1600 acres could reflect other types of land acquisition, such as homesteading, but they exceed the boundaries prescribed for bounty grants specifically. Thus, 1280 acres stands as the correct and legally recognized maximum area for accumulation under bounty grants in Texas.