The long term survival of your people depends on your clans ability to provide the following (incomplete list):
War, famine, global warming, global financial meltdowns, peak oil, catastrophic environmental pollution, civil unrest, revolution…. pick your poison. The US Empire is on its way out. Grab a rifle and a tribesmen and go hunting. Build a solar concentrator. Build up your clan. Go to an elder for advice. Go to a traditional leader to settle a dispute. Prepare.