In early American history, the presence of major navigable rivers like the Mississippi and Ohio significantly contributed to:

The correct answer to the question "In early American history, the presence of major navigable rivers like the Mississippi and Ohio significantly contributed to:" is Option B: The growth of trade, transportation, and westward expansion..

The other options — A) The rapid development of a national railway system., C) The establishment of a strong centralized federal government., D) The immediate abolition of slavery in western territories. — are incorrect for this GED Exam Prep question. As explained above: Navigable rivers served as vital arteries for transportation and trade, facilitating the movement of goods and people, which was crucial for westward expansion and economic development in early Ameri…