A both have 2 pairs of parallel sides but only the rhombus has 4 congruent sides.
I'm assuming you meant subsistence farming? If so then yes, it would be a large problem because they would then not have enough food to feed themselves.
A major factor that continues to contribute to terrorist activities in the middle east is the instability of the governments due to constant military conflicts. he presence of insurgents within the Middle east countries have also added fuel to fire in this respect. I hope it helps you.