However, when the comprehensive power of China rose to a level that led international relations commentators dubbed the G2 era, q China became more assertive on her regional neighbours, resulting in escalating tensions in the territorial disputes.
So I decided that instead of becoming a straight man, I would become more assertive.
Still, some of her senior advisers said Mrs. Clinton was left with little option but to become more assertive in getting her campaign back on track, a shift highlighted by her decision to push out Ms. Solis Doyle, one of her closest and longest-serving aides.
They have become more assertive about what they regard as national sovereignty online, and have called on other countries to respect it.
Brian Roberts has become more assertive.
"Staff have become more assertive," she said.
But the foreign naval forces have become more assertive.
But big American institutional investors have recently become more assertive.
Free of sanctions, Iran may become more assertive still.
