"There were a number of important routes, but at the time rivers were the most important. The Mississippi, Missouri, Ohio, and Susquehanna rivers were all key modes of transport for northern goods heading to southern states. Several oceanic routes were also used, connecting northern ports like New York and Boston to southern ports like Charleston, Mobile, and New Orleans via the Atlantic Ocean and the Gulf of Mexico."
"The least convenient route was overland, as roads were still of very poor quality and it was far less efficient to haul goods using carts and livestock when compared to using boats on waterways." -hope tht helps :)
The hippocampus becomes selectively unprotected because the receptor of the NMDA becomes more pronounced in the hippocampus than in the cortical neurons and this leads to a situation where by the hippocampus becomes more exposed to extracellular glutamate whose release is in excess.
Explanation: The correct answer is Dependent variable. There are two types of variables, dependent and independent; the first one is dependent on the values that the independent variable acquires whilst the independent variables does not depend on other values but itself.
