Poster april 24 1851. what act does this sign refer to

The Fugitive Slave Law or Fugitive Slave Act was passed by the United States Congress

Colored people of Boston about policemen acting as slave catchers, pursuant to the fugitive slave law of 1850 

To solve their problems, mesopotamians used irrigation, a way of supplying water to an area of land. to irrigate their land, they dug out large storafe basins to hold water supplies these ditches brought water to the feilds. to protect their feilds from flooding, farmers built up the banks of the tigris and euphrates.hope ths !