Final answer:
Farmers struggled to survive under Draco's law code in Athens because they were increasingly indebted to aristocrats who owned the land they worked on.
Step-by-step explanation:
Under Draco's law code in Athens, farmers struggled to survive primarily due to their increasing debt to aristocrats who owned the land they worked on. According to Athenian law, individuals who couldn't pay off their debts could be legally enslaved. As a result, many formerly-free Athenian citizens found themselves enslaved to pay off their debts to aristocrats.