The usual reason was politics and the expansion or consolidation of power.

The years between 1870 and 1914 saw the expansion of Western power across the globe.

No one had envisioned such growth and the expansion of power that accompanied it.

They helped create a bipartisan foreign policy based on resistance to the expansion of Soviet power.

Who besides the judge opposes public debate about the expansion of Presidential power?

China plans the biggest expansion of nuclear power of any nation on earth.

If the country can be held together, it is more likely to remain a bulwark against an expansion of Iranian power.

They automatically become targets for the expansion of Russian power.

Now he will preside over a huge expansion of federal power.

"We pay attention to the incident which can be seen as part of Japan's recent expansion of military power."