In other words, the Declaratory Act of 1766 asserted that Parliament had the absolute power to make laws and changes to the colonial government, "in all cases whatsoever", even though the colonists were not represented in the Parliament.
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