The phrase "creates a union between" is correct and can be used in written English.
You can use it to refer to the joining of two things, people, or entities together. For example, "The marriage ceremony creates a union between the couple and their families."
Theresa May promised to fight "burning injustice" in British society and create a union "between all of our citizens" as she sought to project a one-nation brand of Conservatism when she entered Downing Street for the first time as prime minister on Wednesday.
The word "yoga" is a derivation of the Sanskrit term "yui" that means 'yoke" and refers to the bar that encircles the necks of two oxen or other draft animals, creating a union between them that enables them to work together to plow a field or pull a cart.
While combining two models, AutoMerge creates a union of available namespaces in the models being compared.
Miller and his successors, Donald Fehr and Michael Weiner, created a union that stands as a model.
First, we created a union of all k-mers contained in all bacteria in the NCBI database, as described above.
Since Lithuania could not bear the major burden of the war, he tried to create a firmer union between Poland and Lithuania.
The child was also elected to the Swedish crown in 1319, creating a personal union between the two countries that lasted until 1355.
The British government thought it convenient to have Saint Kitts make laws for Anguilla and therefore created a legislative union between them (1825), although the Anguillan freeholders who owned the sugar estates protested strongly.
The Serbian presidency is expected to have greater influence later this year when federal Yugoslavia, dismembered during a decade of secessionist wars, is abolished to create a looser union between its remaining republics: Serbia and neighboring Montenegro.
After the Polish uprising of 1830 31, however, Tsar Nicholas I replaced the kingdom's constitution with the Organic Statute, which created a firmer union between the Congress Kingdom and the Russian Tsar and disbanded the Polish Sejm and army; he also imposed upon the Poles a military dictatorship.
