The phrase "advantage began" is not correct and does not convey a clear meaning in written English.
It may be intended to describe the start of a beneficial situation or opportunity, but it lacks context and clarity.
Example: "The advantage began when we implemented the new strategy that improved our efficiency."
Alternatives: "the benefit started" or "the advantage initiated".
In the next two election years, the Democrats' advantage began unraveling.
But once it passed, Democrats, fearing the Republicans' fund-raising advantage, began forming the 527 committees.
But the advantage began to shift in the early minutes of the second half.
But when they had to perform a verbal task at the same time as color-matching, their advantage began to disappear.
Further research has led them to conclude that the educational advantage began soon after Martin Luther broke away from the established Church in the 16th century and has continued to play its part in creating economic success throughout Europe.
— The monthly ritual of plumbing the employment report for political advantage began anew on Friday, with Mitt Romney and other Republicans lamenting what one leader called "the new normal" of high unemployment while the White House said the lower jobless rate was proof that its policies were working.
Still, if you have a different idea about the race — or if Mr. Romney's advantage begins to narrow as the results from other states roll in — you can use this tool to see how much stress he could endure before a contested convention becomes more probable.
When IPOs are delayed, the informational advantage begins to shift from players in the public market to those in the private market.
After that, an advantage begins to appear [ 35- 42].
Consistent with these observations, we also show that: (1) WASp expression levels increase with cell maturity, peaking in those subsets exhibiting the greatest sensitivity to WASp deficiency; (2) WASp+ murine B cells exhibit a marked selective advantage beginning at the late transitional B-cell stage; and (3) a similar in vivo selective advantage is manifest by mature WASp+ human B cells.
By the 1990s, however, the island's comparative advantages began to wear out.
