This is part IV in our Awareness Wednesday series for Black History Month 2021. Read the other posts in the series here. In the 1920s, Detroit was the fourth-largest city in the United States, and there was considerable tension in the city. The city — which in 1910 had a population of 456,000, with fewer than 6,000 Black people — had a population of 990,000 in 1920 with nearly 41,000 Black people. The tension created by this phenomenon gave rise to a relatively large Ku Klux Klan presence by the mid-1910s. This was fueled by southern whites and European immigrants competing with Blacks for housing and jobs. The automotive industry, although in…