Officials in both Afghanistan and India have repeatedly accused Pakistan of harbouring militants responsible for a string of strikes in their countries.
That was followed, later in the year, by a string of strikes on western government targets that opened up a wide range of issues.
It was the latest in a string of strikes that has hit Japanese carmakers just as they look to increase production in China, the world's biggest auto market.
What will be more interesting is the degree to which he backs the trade unions if they decide to embark on a string of strikes, call a general strike or pledge to defy the legislation and hold illegal strikes if it goes through.
The industrial action follows a string of strikes by teachers concerned about their pay and conditions.
It follows a string of other rulings striking down the law in a federal appeals court, two federal district courts and a bankruptcy court.
A string of accelerating strikes are planned running up to Christmas and through new year.
The assaults in Karbala were the deadliest in a string of ambitious strikes this holiday week.
Hoteliers in Athens and at seaside resorts are still smarting from some 30,000 cancellations last month, prompted by a string of general strikes and mass protests, one of which led to three deaths when a bank was firebombed.
In the bombing on Sunday, which was the latest in a string of terrorist strikes against funerals in Iraq, at least 31 people were killed and nearly 50 wounded.
