Once there, they repaired and replaced roofs, windows and doors, in addition to sanitizing and removing mold from homes.
WBUR's Simón Rios returned to Puerto Rico to report on the recovery effort one year out.
Now, the White House said, power and water systems have been restored for almost all of the island's 3.3 million residents, and all but 640 of Puerto Rico's 27,000 kilometers of roadways have been repaired.
Nivia Rodriguez, a 60-year-old retiree whose uncle died a week after Maria, is among those disgruntled by Trump's comments, as well as by videos of rescue crews responding to Hurricane Florence in North Carolina.
Secretary Carson said his agency plans to set aside $1.5 billion as relief efforts continue in Puerto Rico.
Rosselló, who has been reluctant to contradict the President in the past over his handling of the hurricane, previously disputed Trump's statement on the revised death toll, telling CBS News, "Neither the people of Puerto Rico nor the victims deserve their pain to be questioned".
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"3,000 people did not die in the two hurricanes that hit Puerto Rico", said Trump in one of two tweets, referring to Maria, which made landfall in Puerto Rico's southeast coast on September 20, 2017, and Hurricane Irma, which brushed the USA commonwealth less than two weeks earlier. "You can't say which one is better or worse - they are equally bad".
Rosello complained that bureaucratic dealings with the Federal Emergency Management Agency (FEMA) "have been excessive", and said the response by the Army Corps of Engineers - which sent personnel to the island days after the hurricane struck to re-establish electrical power - "was insufficient" and "lacked urgency".
Our tourism and hospitality jobs fit very well for Puerto Ricans looking for a new job on the mainland according to Career Source Southwest Florida.
"As a people, we have the right as well as the obligation to respect that space to bid farewell to all those who lost their lives with the dignity and respect that this tragedy represents". Despite blue tarps still covering missing roofs on thousands of homes, and citizens living with unstable access to electricity or clean drinking water, little help has arrived from cash-strapped local governments or the Trump administration.
While the island of Puerto Rico has been a topic of intense, and bold, accusations on whether it's received the help and support it needs, the Lee County School District is doing what they can.
"For a year he has tried to spin it", she added.
"The community, diaspora, and local non-government entities are making the difference by working hard to provide the necessary services to those devastated by the hurricanes", he told the Blade.