Which of the following dates is incorrect?
a. Between 1852 and 1853, the first rail lines were constructed in Texas.
b. The Mexican Railway was completed in 1869.
C. The steam engine was greatly improved by Scottish inventor James Watt in 1769.
d. Abraham Lincoln signed the Pacific Railroad Act on July 2, 1862.
Please select the best answer from the choices provided

After the supreme court’s ruling on the dred scott case, many people in the north believed that a. slavery might become legal everywhere. b. slavery might be banned everywhere. c. formerly enslaved people would move to the north. d. formerly enslaved people would stay in the south.

Following archduke franz ferdinand's assassination, austro-hungarian leaders: a. aided the ottoman empire in its campaign to keep serbia under its control. b. executed nearly all prominent serbs living in austria-hungary c. threatened to invade serbia if serb leaders did not agree to a set of strict demands. d.. formed an alliance with great britain to protect austria-hungary from future attacks.

In what way did expansion and global trade during the 15th to 18th centuries affect the economies of european countries?