What did Paul revere do on April 18, 1775?

Answer - Henry Wadsworth Longfellow's poem “Paul Revere's Ride” tells how a lantern was displayed in the steeple of Christ Church on the night of April 18, 1775, as a signal to Paul Revere and others. Through every Middlesex, village and farm, For the country folk to be up and to arm.

Very cool! free points wooo

The changes to agriculture in the united states since 1900 is that increased mechanization has increased food production, thereby increasing the need for labor. there has been an increased need for higher speeds of food production due the fact that the population in the united states continues to rise.