Russia and Iran could in theory up the ante, escalating their involvement in Syria, but in practice they both appear to be close to the limit of lives and treasure they are willing or able to expend there.
The FBI and Congress escalated their investigations.
House Democrats are escalating their demand for documents about President Donald Trump's involvement in stopping the FBI's plan to vacate its downtown Washington headquarters ― which happen to sit across the street from the Trump International Hotel.
But both missions were aborted, for fears that it was too unsafe for the Americans or that their involvement could escalate the conflict.
Now he has escalated his involvement by designing furniture.
But as the United States escalated its involvement in Vietnam, the president became increasingly identified with an unpopular war.
Moscow escalated its involvement, in September, 2015, by providing the government of President Bashar al-Assad the air power he needed to pummel the rebels.
The lawsuit, filed in the state's Superior Court, comes as the McCain-Palin campaign has escalated its involvement in the bipartisan inquiry, providing Ms. Palin's lawyer with help and mounting a public relations offensive.
The Horn of Africa has become a strategic linchpin for the United States, so the fact that China has dramatically escalated its involvement there presents a daunting challenge for U.S. policymakers.
After Lebanon's Hezbollah escalated its involvement in Syria in May/June 2013, sectarian rhetoric from Kuwaiti Sunni clerics intensified, raising concerns among Shi'ites, some of whom traveled to Syria to fight alongside the Assad regime.
Following the bogus Gulf of Tonkin incident in 1964, Lyndon Johnson dramatically escalated American involvement there far beyond the advisory and special ops programs approved by John F. Kennedy, who was considering cutting the US commitment at the time of his assassination.
