The phrase "a union force" is correct and usable in written English.
It can be used to refer to a group or organization that is formed to represent the interests of workers, typically in the context of labor relations or collective bargaining.
Example: "The workers rallied together to form a union force that would advocate for better wages and working conditions."
Alternatives: "a labor union" or "a workers' coalition".
The Fifty-fifth Ohio Volunteer Infantry was part of a Union force under General Joseph Hooker trying to push the Confederate Army back to Atlanta.
If a Union force were to attack suddenly, the town would be nearly helpless — unless reinforcements could quickly come by rail from either Corinth or Atlanta.
This time, however, a Union force appeared on the scene under the command of Gen. W.F. Smith, and a battle commenced, with Carlisle the battleground.
A Union force of 15,000 men and seven gunboats traveled along the Tennessee to Fort Henry, whose meagre defenses they overcame on February 6.
During the American Civil War, Brownsville and Matamoros served as ports of call for blockade runners handling guns and ammunition and for Confederate cotton, and on May 12 and 13, 1865 (a month after the war had ended), a Union force was captured at nearby Palmito Hill by Confederates under General Richard Taylor.
Bowles told Hines he could raise a force of 10,000, but before the deal was finalized, Hines was told a Union force was approaching, causing him to flee.
A Belgian surveillance drone used by a European Union force crashed onto a street in Kinshasa, the Congolese capital, killing a woman.
He correctly decided to use both to repulse the attack, as the rebels came with an entire coordinated division and a lesser Union force likely would have crumbled.
Confederate forces under Gen. Robert E. Lee defeated a larger Union force at Chancellorsville in 1863 but was defeated at Gettysburg a few months later.
The United Nations Security Council on Tuesday authorized the presence of an African Union force in Somalia for an additional six months, a day after Somalia's government signed a peace agreement with some opposition figures.
A second Union force of 18,000 men, led by Brig.
