Examining pictures of quilts found in museums we quickly see that many quilts were made with fabric bought specifically for that quilt. Another major shift was in the style of quilts made. Although a few earlier quilts were made in the block style, quilts made up of blocks were uncommon until around the 1840s. With so many fabrics being manufactured quilters could create their blocks with a delightful variety of fabrics. Some block style quilts were made of a set of identical pieced blocks while others contained a variety of blocks made with different patterns. The blocks were sewn together and a border may or may not have been added. During this period the invention and availability of the sewing machine contributed to quilt making. In 1856, the Singer company started an installment plan so that more families could afford a sewing machine. By the 1870s, many households owned a sewing machine. This affected quilt making in two ways. First of all, women could make clothing for their family in much less time, which left more time for quilt making. Secondly, they could use their sewing machines to make all or part of their quilts. The sewing machine was usually used to piece quilts, but occasionally the quilting itself was done with the sewing machine. Leading up to the American Civil War, quilts were made to raise funds to support the abolitionist movement then during the war, quilts were made to raise funds for the war effort and to give warmth and comfort to soldiers. The patterns were much like those made mid-century but the purpose was different. Quilts connected to the abolitionist movement and the Civil War were made for a cause, many representing the relevant flag. Even before 1830, abolitionists were working hard to end slavery. One way they did this was to hold grand fairs to raise both awareness and money for the abolitionist cause. Quilts were one of many craft pieces sold at these fairs. These quilts were usually fine quilts often with beautiful appliqué. Women sometimes put anti-slavery poems and sayings on the quilts they made for fairs as well as for friends and family. The goal was to show the terrible plight of the slaves. Some abolitionists were active along the Underground Railroad and helped runaway slaves get to safety. There are stories that certain quilts were used as signals to help slaves in their flight to freedom. For example, a log cabin quilt might be hung on the line of a safe house. However, historians dispute the accuracy of these stories.