4. Give 3 examples of what had been improved to allow exploration to occur in the 15th century but not earlier.

Which 19th century technological advancement would best allow farmers along the mississippi river in iowa to quickly transport their crops to buyers in louisiana?

At the end of civil war, which reconstruction plan called for a military occupation of the south ? a. lincoln's b. radical's c. johnson's

Which artificial waterway allows the passageway allows the passage of boats between buffalo and albany ( new york) and, eventually, the atlantic ocean? a. erie canal b. suez canal c. panama canal d. ontario canal