The United Nations has warned in the past that violence in the South,if not curbed, could complicate Sudan's upcoming polls.

VOA: standard.2010.03.23

He admits that the new situation,in his words, "can complicate the Czech government's negotiating strength in the EU."

VOA: standard.2009.03.25

Officials working on election issues in the South say violence is just one of the factors that could complicate next month's scheduled vote.

VOA: standard.2010.03.23

Last month, Hamas refused Iran's offer to provide an escort for their aid ship to Gaza following the flotilla attack, saying the Iranian assistance might only complicate the situation.

VOA: standard.2010.07.26

Republican Representative David Price asserted that passage would also complicate U.S.efforts for peace between Israelis and Palestinians, and negatively impact Israel's own investigations: "Israel is a strong and resilient democracy,"

VOA: standard.2009.11.04

That could complicate U.S.efforts to revive the peace process.

VOA: standard.2009.09.11