The phrase "a broader assertion of" is correct and usable in written English.
It can be used when discussing a general statement or claim that encompasses a wider range of ideas or concepts.
Example: "The article makes a broader assertion of the need for systemic change in education."
Alternatives: "a wider claim of" or "a more extensive statement of".
That is a broad assertion of executive authority that clearly left some justices uncomfortable.
She was also more involved than previously known in helping to coordinate the Clinton White House defense against the investigation into the Whitewater land deal and the sexual harassment lawsuit filed by Paula Jones, arguing at one point against emphasizing a broad assertion of presidential immunity.
But such a broad assertion of privilege is likely to face a stiff challenge; Federal courts have limited Presidential privilege to matters of national security and not to everyday discussions within the White House -- particularly when they might provide evidence in a pending criminal trial.
The eavesdropping program -- first revealed by news accounts in late 2005 and the subject of intense political wrangling since then -- is one aspect of a broad assertion of presidential power by Bush in the past six years to justify policies meant to deter terrorism here and abroad.
This patchwork approach has revealed a flexibility in the justice system but also what critics call an overly broad assertion of presidential authority.
He will combine a vague imputation against the largest possible body of Muslims with a broad assertion that Israel has no interest in religious war.
The Supreme Court yesterday struck down the military commissions President Bush established to try suspected members of al-Qaeda, emphatically rejecting a signature Bush anti-terrorism measure and the broad assertion of executive power upon which the president had based it.
Morsi's broad assertion of control came less than 24 hours after a diplomatic triumph in arranging the cease-fire in Gaza had given new credence to Morsi's international bona fides.
That broad assertion of power, even with limits described by administration officials, combined with the initial White House refusal to release even a sanitized summary of the memo touched off protests from left and right.
The broad assertion of authority by the military is likely to disturb civil libertarians on the left and right who have complained that the AUMF and a previous version of the NDAA give the military power to indefinitely detain U.S. citizens.
