Since this struggle continues in the present, architectural history is not a dead academic subject, but an open arena for debate.
"East and south Afghanistan have become an open arena for the mujahedeen" he said.
The centre ground of British politics is once more an open arena for two-party competition.
It has provided an open arena where people are free to exchange ideas on companies, brands and products.
He charged blindly into the cape and the boy took him out into the open arena.
In early 1979, Chad became an open arena of unrestrained factional politics.
"I only wish this could be viewed and judged in an open arena."
Males display during the breeding season at a lek in a traditional open grassy arena.
But outside their own country, Iranian women were expected to play in open arenas, and the hard-liners balked.
Power has shifted from the party to a more open political arena.