"build a unity" is correct and usable in written English.
You can use this phrase to talk about forming a sense of togetherness among a group of people. For example, "The mayor strived to build a unity among the city's diverse communities."
The outrage sparked lethal sectarian reprisals, which resulted in scores of deaths, making it harder for the majority Shias to build a unity government.
"Our task as public servants in a city like Birmingham that is so diverse is to build a unity in the community, and where you've got a threat to that, you've got to take it out as fast as you can".
5. Make sure you build a unity where all experts respect and support each other.
We remain fully supportive of the UN's efforts to build a national unity government for Libya and to bring a political solution to the ongoing security crisis.
The U.S. would give up on the Bush Administration's failing effort to build a national unity government at the center of Iraq.
The British foreign secretary, Philip Hammond, condemned the murders and said the UK remains fully supportive of the UN's efforts to build a national unity government for Libya.
Its main objectives are to gather and build a people unity bloc, "strengthen the people's political and spiritual consensus, encourage the people to promote their mastership, to implement the CPV's guidelines and policies, and to abide by the Constitution and laws".
You'll be able to build a game in Unity's engine and push it to the web without paying them a dime.
He did so "to bridge the gap between the Brahmins and the non-Brahmins and find an appropriate context in which to build a new grassroots unity between them" in his nationalistic strivings against the British in Maharashtra.
For game developers, Google built a new Unity plugin that supports Firebase Analytics, its real-time database, authentication, dynamic links, remote config, notifications and other core Firebase features.
It would be another decade before these disparate people built a precarious unity and declared independence.
