The switch led to rumors of a format change.
The switch from filling in little answer bubbles to writing and spelling had led to a frenzy of cramming.
However, the general switch by artillery to indirect fire before and during World War I led to a reaction in some armies.
The switch to a year-round calendar in many schools has led to some unanticipated needs.
But Enron's collapse and the council's switch could lead to a closer fight than in 1997, when the bill did not even come up for a vote.
The switch led to the decline of wadokei and the emergence of a western-styled clock industry in Japan.
This sudden switch in strategy led to charges of flip-flopping in response to pressure from the Bush administration.
The switch to the euro should not lead to improper price increases.
This switch leads to much confusion before it's restored.
The switch to darker daytime hours could lead to drowsy driving.