<span>B) lincoln's election in 1860</span>
President Chester A. Arthur signed the Chinese exclusion act in 1882 which banned Chinese immigration to the United States for a total of 40 years.
Answer:
His teacher opened his eyes to the blue print of the universe.
Explanation:
Stephen was inspired by his math teacher because the teacher opened his eyes to the blue print of the universe. He gives valuable knowledge to Stephen which leads to major contributions to the study of singularity theorems, black hole uniqueness, quantum fields, Euclidean quantum gravity, the wave function of the universe and others etc. All his achievement in the field of Math is due to his math teacher who gives him great knowledge about mathematics. Stephen said that I wasn't the best student at all. My handwriting was very bad, and I could be lazy but my math teacher work on me and make me what I am today..