C. 250 years (I believe )
Answer: Look, i dont think anyone should answer this, this is something about YOUR personal opinion, i suggest picking one you think is right, but my suggestion is D, i hope it helps
Explanation:
DeVelop dROught-reSistaNt cRops wAs soMetHIng tHEy dId NoT dO iN rESpoNse tO tHe enviRONmEntaL liMiTatIons oN fArmIng.
The Articles of Confederation (which showed how weak the plan of gov. was, which led to the creation of the Constitution with the Bill of Rights.)