Based on answer options I've seen for this question elsewhere, I'd list contributing factors increasing the likelihood of genocide as these:
economic, political, or social instability
unequal distributions of power and resources
leaders who increase tensions between groups
An example would be the genocide that occurred in Rwanda. The genocide in Rwanda had arisen out of problems created by colonialism in that country. The Dutch colonial government had favored the Tutsi people over the Hutus. (The factor of leaders increasing tension between groups.) That created unequal distribution of power and resources. When the Dutch pulled out of the country, the postcolonial situation was one of great economic, political and social instability. All of this played into the violence by Hutus against Tutsis when the Hutus came into power in Rwanda.
People saying racist things to each other or wars that move a group of people because of their race for example like the nazi party hitler didn't like jewish people.
On February 6, 1778, Benjamin Franklin was in France signing the Treaty of Amity and Commerce and the Treaty of Alliance. The Treaty of Amity and Commerce recognized the U.S. as an independent nation and promoted trade between France and America.
Praying towns were developed by the Puritans of New England from 1646 to 1675 in an effort to convert the local Native American tribes to Christianity. The Natives who moved into these towns were known as Praying Indians. ... praying towns was that Natives would convert to Christianity and give up their old way of life.