The phrase "against a broad array" is correct and usable in written English.
It can be used when discussing opposition or resistance to a wide range of options, issues, or elements.
Example: "The policy was implemented to protect the environment against a broad array of pollutants."
Alternatives: "against a wide range" or "in opposition to a diverse set".
This information would contribute to efficacious vaccine design against a broad array of norovirus strains.
As Congress considers the Iranian nuclear deal, it should also prepare a strategy to use U.S. financial and economic power aggressively against a broad array of Iranian threats.
So there is a need, they say, for medicines that can work against a broad array of germs, as well as for techniques for quickly devising countermeasures when a new threat arises.
MMP-2-dependent type 2 polarization may represent a key immune regulatory mechanism for protection against a broad array of disorders, such as inflammatory, infectious, and autoimmune diseases, which can be hijacked by tumors to evade immunity.
Disruptive innovations are bumping against a broad array of regulatory hurdles that built up during a very different era of economic growth.Or take an area of great personal interest to me: land-use policy.
That change alone would make it easier for the city's police force and noise inspectors to take action against a broad array of noises that have long bedeviled New Yorkers: car alarms, loud motorcycles, vehicles with faulty mufflers and blaring radios.
But just as in 2015, when Republicans in the Texas legislature had pushed over 20 anti-LGBTQ bills, this legislative session religious zealots are seizing upon the issue of "religious liberty" to promote a license to discriminate against queer people in a broad array of areas.
President Bush, speaking to Cuban-Americans in Miami on the 100th anniversary of Cuban independence, said he would not lift travel restrictions and a trade embargo against Cuba unless President Fidel Castro met a broad array of democratic and economic changes.
But a serious investigation into the allegations against Kavanaugh would require speaking with a broad array of possible witnesses to the Kavanaugh-Ramirez incident.
It also included the landmark Violence Against Women Act (VAWA), which contains a broad array of measures to combat domestic violence and provides billions of dollars in federal funds to address gender-based crimes.
Current and former officials who want to preserve the option of civilian trials note that prosecutors routinely use a broad array of charges against terrorism defendants or their friends and families: obstruction of justice, false statements to investigators, passport and immigration fraud, firearms and arms trafficking offenses, and various computer and finance-related offenses.
