U.S. submarine habitability was greatly enhanced by air conditioning (which German U-boats, for instance, lacked) and water distilleries, and were more comfortable, hence better suited to long patrols in the tropics, than those of the other major powers.
habitability — highway — Hispanic Americans — historic preservation — Home Mortgage Disclosure Act — homelessness — homeowners' association — Housing Act of 1937 — Housing Act of 1949 — Housing and Economic Recovery Act of 2008 — HOPE VI — human ecology — Department of Housing and Urban Development(H.U.D.) — hyperghettoization