31.   One was the Universal Service Alliance, formed a couple of years ago to slow progress toward competition in California.

32.   Racial prejudice sometimes slowed progress toward that goal.

33.   Rain could slow the progress of harvesting, exposing the late planted crops to further cold weather.

34.   Reducing post-meal blood fat is believed to slow the progress of atherosclerosis, the narrowing of the arteries.

35.   Roberts is convinced the experimental treatment has slowed the progress of the disease, and is the key to his future health.

36.   Rodriguez resisted the move to the mound because he thought it would slow his progress.

37.   Second, ginkgo is an anti-oxidant, so it slows the progress of disease and aging.

38.   Shoulder and knee injuries slowed her progress toward the Lillehammer Games.

39.   Since science often advances by trial and error, the delays in developing and testing vaccines have slowed scientific progress.

40.   South of San Jose, urban California reasserted itself with a vengeance, conjuring up a traffic snarl that slowed my progress to a crawl.