It's been 150 years since bees have gone extinct. Governments have reformed, warring over land and water. The US has split into separate countries. Most towns and cities are fortified in some way to protect their water sources and any crops they can grow. Though there is democracy in the USEA, the military is really in control and their presence is known and respected. They're in charge of supplies and goods coming in and out of each town and all the towns' communications centers, defense, hospitals, etc. Some are grateful for military governing, others are resentful. Some are deeply religious, some atheist. Nomadic tribes still roam the lands, some associated with other countries and regions, some associated to no one but themselves, but all looking to ransack, pillage and destroy the cities and unprotected villages they come across in their journeys.
We survived the apocalypse, maybe we'll survive each other. Welcome to Sinai.