The 1856 Presidential campaign was waged in a chaotic environment. The fragmented Democratic Party competed with the fragments of the Whig Party<span> over slavery. The newly formed “</span>Free<span> Soil”, “Opposition”, and “North American” parties competed with the fledgling Republican Party.</span>
Well I think the answer might be D.
The monsoons come each season on a regular pattern.
1. malaria 2. rivers had terrible waterfalls..too dangerous...until the steam engine was invented it was incredibly dangerous 3. deserts....they didn't know how to travel through the deserts and find an oasis which made it very difficult to travel through