enact stricter limits
... that the high-profile recalls in 2007 and 2008 of China-manufactured toys led the U.S. to enact stricter limits on the amount of lead in paint on children's products?
... that the high-profile recalls in 2007 and 2008 of <a href="./China" id="mwEWU" rel="mw:WikiLink" title="China">China</a>-manufactured toys led the U.S. to <b id="mwEWY"><a class="mw-redirect" href="./Consumer_Protection_Safety_Improvement_Act" id="mwEWc" rel="mw:WikiLink" title="Consumer Protection Safety Improvement Act">enact stricter limits</a></b> on the amount of <a href="./Lead" id="mwEWg" rel="mw:WikiLink" title="Lead">lead</a> in paint on children's products?