Which battle strategy had no man's land which then resulted in a long stalemates?

Technician a says that the sine with dwell (swd) test is used to determine if an electronic stability control system functions normally. technician b says that the esc lamp, called a telltale light, is required to remain on for two minutes. who is correct?

What project establish leonardo da vincis reputation as a creative and talented engineer

Brainliesttt !me : ) what brought about the end of the soviet union?