"Only if the current unrest were to persist into the harvest period would it become a serious factor," he said.

As it turned out, neither was a serious factor in the race.

During this century the will for peace and sanity was already becoming a serious factor in history.

Thus, the author shows us that women's progress in the 1920s was still subject to serious labor-economic factors.

Republican theories were never a serious factor in the politics of any major European State during this period.

Currently, hunting is the more serious factor in most areas.

"Winter is a serious factor for moral and other reasons," the official said.

Nobody seemed to consider the human recruits a serious factor.

After breaking slowly, he was never a serious factor.

Some historians argue that European disease did not appear to be a serious factor until after 1829.