Complex sentence: Probably as a direct consequence, as of mid-March, support for the strike quickly vanished, as the strikers' public image rapidly deteriorated, and the new leaders lost much of the public respect the 2010 leaders had built.
Split into simpler sentences: Probably as a direct consequence, as of mid-March, support for the strike quickly vanished. The strikers' public image rapidly deteriorated, and the new leaders lost much of the public respect which the 2010 leaders had built.