In Syracuse, N.Y., marchers turned out to support President Donald Trump, and they were met by other demonstrators who are calling the rallies anti-Muslim bigotry.
Authorities have made several arrests after fights broke out during an anti-Shariah rally and counter-protest at the Minnesota State Capitol.
"I don't believe in having Muslims in the United States", Francisco Rivera, a student and spokesman for Vanguard America, told WaPo. "Don't bring Sharia law in here because it's created to take over the government".
CAIR is America's largest Muslim civil liberties and advocacy program and it says its mission is to enhance a better understanding of Islam. "We are anti-radical Islam", said an anti-Sharia speaker. These citizens cite Europe as an example, citing false claims of "no go" areas where Sharia law trumps the nation's rules.More news: So it begins: Britain kicks off Brexit negotiations with EU
"We're making so much noise to drown out the fact that they are furthering hate speech".
The demonstrations were held in more than two dozen USA cities, including Oceanside and San Bernardino in California as well as Seattle, New York and Chicago.
"The constitution is the law of the land", said a protester in Harrisburg, Pennsylvania.
"Shariah law is kind of making its way into countries", Stephanie Eitel Rosemount, an organizer with ACT for America, said.
Yusufi-Marin described Sharia law as a series of opinions, not a firm set of rules, on issues such as how to prepare food and what types of shoes to wear at a mosque.
Lead speaker for NYC's hate march was Gavin McInnes, founder of VICE who in the past has downplayed white terrorism and blamed women for domestic violence. By 4 p.m., many people from both groups had left the area and only a few remained.More news: Draymond Green Called Bob Myers, Kevin Durant Immediately After Game 7 Loss
Austin police and DPS Troopers monitored the scene to ensure protest stayed peaceful and safe. "I'm thinking of the Muslim community here in Orlando who come out to protests and vigils and they've stood with the community, and I feel like it's time for us to stand and let the world know we wont let anyone attack them".
"People are trying to use what happened at Pulse as an anti-Muslim talking point, but it's not", Griffin said.
In other parts of the country, downtown Seattle saw hundreds marching, banging drums, cymbals and cowbells behind a large sign saying "Seattle stands with our Muslim neighbors".
Sharia law is about domination of women.
Clusters of protesters and counter-protesters gathered on four corners of an intersection at a memorial to the slain, yelling and waving American flags and posters proclaiming various causes.
Participants chanted "No hate, no fear, Muslims are welcome here" on their way to City Hall, where dozens of anti-Shariah protesters rallied.More news: Beyonce's dad angers fans by confirming birth of twins
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