B)Railroads - more cities could access railroads and increase trade. was built more in the 1800s.Canals was a short-lived era. [ Railroads beginning in the late 1830s and early 1840s were built because they were faster and more reliable than Canals which were often destroyed by washouts of the banks and floods destroyed many canals. The first transcontinental was completed in 1869, by 1900 there<span>were 15 transcontinental railroads. ]</span>
Leonardo Da Vinci
Michaelangelo
These are the most common
The main issue that was debated by Lincoln and Douglas was slavery.
Answer: An African-American Lawyer.
Explanation: Thurgood Marshall (July 2, 1908 – January 24, 1993) was an American lawyer and civil rights activist who served as Associate Justice of the Supreme Court of the United States from October 1967 until October 1991. Marshall was the Court's first African-American justice.