The plan was based on the fact that the French line of operation was too extended, and it proposed that instead of, or concurrently with, action on the front to bar the advance of the French, we should attack their line of communication.
This could not be otherwise, for in order that the will of Napoleon and Alexander (on whom the event seemed to depend) should be carried out, the concurrence of innumerable circumstances was needed without any one of which the event could not have taken place.
It was a system—a concurrence of circumstances.
There are no more uses of "concurrent" in the book.
Show samples from other sources
concurrent challenges of the economy, terrorism, and nuclear proliferation
the pitchers’ domination of baseball and the concurrent decline in hitting