What were some obstacles that Elijah McCoy had to ovrecome?

Elijah McCoy faced several obstacles throughout his life, including racial discrimination and limited educational opportunities due to his status as a Black man in the 19th century. Despite Excelling academically, he struggled to gain recognition and employment in engineering, often being denied positions because of his race. Additionally, he had to navigate a lack of resources and support in pursuing his innovative ideas, ultimately persevering to become a successful inventor known for his contributions to lubrication technology.