sentences:  In 1825 Sen. Sam Smith of Maryland petitioned Congress for federal funding for this work.At this time Congress was smarting from the incursions of the War of 1812 and had determined to expand naval defenses.In Baltimore it led to the misconceived construction of Fort Carroll, an island three-tiered brick fortification in the 1840s (similar to various other East Coast island forts built such as the famous Fort Sumter in Charleston harbor, South Carolina), supervised by young Col. Robert E. Lee of the United States Army Corps of Engineers but federal dredging appropriations preceded that project, beginning in 1830.