"bring their own ranks in line"

[sallie]

Hi teachers, what does the phrase "bring their own ranks in line" in the following quote mean?

"House Republican leaders scrambled to bring their own ranks in line Thursday as a plan to make it harder for illegal immigrants to cross the border and get jobs ran into resistance." - from AP news

Thank You.

[Touchwood]

Hi,

military origin, to get the troops in some sort of order to meet an attack.

Mike