Who caused the 'peace talks' to collapse?

Two different articles claim that the 'Palestinians' and the Americans, respectively, purposely brought about the collapse of the 'peace talks.' This is from the first link from JCPA's Jonathan Dahoah HaLevi, who claims that the 'Palestinians' blew up the talks as part of a strategy of gradually accreting the indicia of statehood.

In
March 2014, Saeb Erekat, the head of the Palestinian