1.   The decline has caused increasing unrest, including road blockades by the unemployed around the country.

2.   Those protests will almost certainly include blockades of Pemex facilities and, some analysts say, could lead to clashes with security forces.

3.   During six months of Israeli-Palestinian fighting, Israel has enforced tight travel restrictions on Palestinians, including blockades that confined them to their communities.

4.   Israel, seeking to keep potential attackers out of Israel, has enforced tight travel restrictions on Palestinians, including blockades that have confined them to their communities.

5.   There was a wave of scattered protests earlier this year by workers protesting unpaid wages, including blockades of the Trans-Siberian railway and other routes.

6.   There were a wave of scattered protests earlier this year by workers protesting unpaid wages, including blockades of the Trans-Siberian railway and other routes.