One of the major outcomes of Polk’s expansionist policies in the Oregon Territory was that massive numbers of settlers rushed to the area in the hopes of starting new lives--leading to a great deal of political disorder.
Answer:
Industrialization impacted the 19th century world economy, because it began to show which countries have what it takes to become an industrialized company, and afterwards become a world power. Without the industrialization, America may not have been known to be a world power
Answer: On arrival at Jamestown, they found the Virginia Colony almost destroyed by famine and disease during what has become known as the Starving Time.
Hope this helped ;p