The ban is ending just as a federal enhancement to unemployment benefits — a $600-a-week boost that has helped many laid off tenants pay at least some of their rent — also lapses this weekend. Estimates of the number of people who stand to lose their homes are rough, given the patchwork of state and local bans on evictions, many of which are also expiring. But they range in the millions, and a disproportionate share of them are people of color.