In England we do not say "fall in line" and instead of fall in line we would usually say "line up" or "form an orderly line".
Fall Line
A fall line is a place where the elevation of the land drops sharplycausing rivers to form waterfalls or rapids.
dose nevada have a fall line
the fall line is an impossible thing to answer
the students fall in line to the classroom
A line is a straight arrangement of anything. If you "fall" into one, you slowly line up with everyone else.
On the Old Fall River Line was created in 1913.
Coastal Plain
Fall-Line - 1977 is rated/received certificates of: Australia:G
Because they sail ships a lot and the fall line prevents waterfalls
Water fall