The U.S. has stepped up its attacks on Islamic State’s industrial base, striking on Monday more than 100 trucks used to carry oil that helps the militant group earn tens of millions of dollars each month. The strikes, part of a broader campaign that began weeks ago, come as the French government conducts airstrikes against Islamic State in retaliation for the series of attacks in the Paris area Friday that killed more than 120 people. The U.S. is providing intelligence and targeting information to the French military to assist in their new campaign. Syrian opposition activists said Monday that the round of French airstrikes against Islamic State ’s self-proclaimed capital in Syria on Sunday night may not have killed any members of the group that claimed responsibility for the Paris attacks. Four A-10 Thunderbolt fighters and two AC-130 gunships were used Monday to target as many as 300 trucks […]