Which of these buildings is an example of the application of bronze age architectural innovation a. a steel skyscraper b. a mud-brick house c. a stone pyramid d. a concrete lighthouse ?

By choosing to resupply fort sumter, abraham lincoln risked a. abandonment of the fort by union soldiers. b. abandonment of the fort by confederate soldiers. c. the appearance of giving in to confederate secession. d. armed conflict with southern soldiers.