Complex sentence: Michelle Mcmanus has managed to also disenfranche people she represents by requiring grass roots petitons to have poportional representment which would in turn make it mathmatically impossible to pass any grass roots peition because of the low population in some rural counties in the upper penisula.
Split into simpler sentences: Michelle Mcmanus has managed to also disenfranchise people she represents, by requiring grass roots petitons to have poportional representment. Which would in turn make it mathmatically impossible to pass any grass roots peition, because of the low population in some rural counties in the upper penisula.