WASHINGTON (AP) — Two weeks before Harvey's flood waters engulfed much of Houston, President Donald Trump quietly rolled back an order by his predecessor that would have made it easier for storm-ravaged communities to use federal emergency aid to rebuild bridges, roads and other structures so they can better withstand future disasters.

Now, with much of the nation's fourth-largest city underwater, Trump's move has new resonance. Critics note the president's order could force Houston and other cities to rebuild hospitals and highways in the same way and in the same flood-prone areas.

"Rebuildin...