The phrase "policy of obstruction" is correct and usable in written English.
You can use it to describe a course of action taken by someone or a group of people to impede or block the progress of something else. Here is an example sentence: The politicians adopted a policy of obstruction to prevent the passing of the legislation.
Republicans in the Senate and the House will feel emboldened to continue their policy of obstruction.
Successful in this policy of obstruction, they are now ready to shift blame to the president for the weak economy.
He is frustrated at the failure of the military council to manage a smooth political transition, a failure that has looked more and more like a policy of obstruction and crackdown.
McConnell has pursued a policy of obstruction over the past six years, seeking to deny the President any significant policy achievements and then blaming the president for Washington's dysfunction.
China trails closely behind Russia on these issues, as it, too, pursues a policy of "obstruction", which the Soviets had adopted under Communism, shackling the Security Council either by preventing consensus over a statement or by threatening to use veto powers to prevent the adoption of a resolution.
He did not describe to voters how the Republican party has tried to stymie his ability to govern with a policy of systematic obstruction.
At Westminster Parnell adopted a policy of persistent obstruction, which compelled attention to Irish needs by bringing parliamentary business to a standstill.
One of the most controversial changes was the league's zero-tolerance policy on obstruction penalties.
Both Palestinian and Israeli officials seemed eager to avoid any appearance of obstruction of American policy as the Bush administration prepares for a possible war against Iraq.
The G.O.P. and its cheerleaders got it wrong with the Bush tax cuts, the war in Iraq, their economic policies, their obstruction of President Obama and their continued drumbeat about the debt.
Conservatives and their policies (or obstruction of) have been tremendously destructive to the African-American and Latino community.
