The trails and the conditions were very rough, and they struggled to traverse across these trails. Also, the weather was very bad and many of the settlers got sick and died from disease along the way
There wouldn't be a USA, and...
the Indians would still have pretty much all of the Middle-west of the USA.
Hawaii would still be under their kings/queens
Alaska would still be part of russia
China would pretty much never had any technological progress (they isolated themselves)
Japan would still be going around with pretty much katanas.
etc etc
if you want more i can give you more (if you want information on why one is on the list, post it in the comments)
hope this helps
<span>The expansion brought up the issue of slavery, which divided both the North and the South. The North had industrialized itself, creating less of a need for slavery, and they for the most part were against slavery. The South still used slaves for their plantations, and they wanted to keep slavery to reap profits. The Supreme Court tried to absolve the issue of slavery in Dred Scott vs. Sandford, but this only angered the North more. This issue was one that eventually led towards the Civil War.</span>
Because she was no longer a slave, it felt to her as if she was a new person. she felt free.
Answer:
Serbia bore the greatest responsibility for the outbreak of WW1. Serbian nationalism and expansionism were profoundly disruptive forces and Serbian backing for the Black Hand terrorists was extraordinarily irresponsible.
Serbia ultimately blamed Germany
