Answer:
My vote would be by River.
Explanation:
Using a river can help with travel as no-one has to actually do anything but steer if you veer of track.
Answer:
CIVIL WAR. The sectional controversies that divided the North and South in the 1850s deeply troubled Texans (see ANTEBELLUM TEXAS). While most Texans had a strong attachment to the Union that they worked so hard to join in 1845, they expressed increasing concern over the attacks upon Southern institutions by Northern political leaders. Although only one Texas family in four owned slaves, most Texans opposed any interference with the institution of slavery, which they believed necessary for the continued economic growth of the state.
Explanation:
One of the causes of the Black death was the involvment of traders and merchants coming from sea and bringing the disease with them. It soread easily due to poor hygiene at the time and not so great medical practices. It killed around 50% of Europes population and and had around a 99-100% fatality rate. It originated in China, but again, it was brought to europe by traders.
The great famine was caused by a disease that destroyed the potato crop which happened to be one of the more available foods at the time. About a million died in result of this and people began to leave Ireland immigrating to places such as the us, australia, britain or canada.