The critics assert that expansion of Federal testing threatens state and local control of education.

Human expansion threatens the species, notably via a new, wide, graded road through the middle of the type locality.

The expansion of the railways threatened to run through Gaussen's land.

The 1919 expansion of top-level professional football threatened to drastically increase the cost of the game by sparking bidding wars.

Even as they pressed ahead with expansion, the foreign ministers sought to assuage Russia's fear that the expansion would threaten its security.

The expansion of small schools, for instance, threatens to aggravate overcrowding in large, traditional high schools.

The latest expansion threatens some 30 Bedouin families that were ordered to pull up stakes after living on the spot for years.

But for residents of West Harlem, Columbia's expansion threatens the survival of their neighborhood.

Whilst the expansion of the Metro initially threatened the trams, they were kept in service.

"The rapid expansion of K-12 online learning threatens to outpace the development of appropriate state-level policies," it said.