England's mobilization of the Continent of Europe against Napoleon was "peanuts" in complications and in extent compared with what we have somewhat painfully, fairly successfully, and with some failures pulled together, to try to match the Soviet threat and, if possible, without a war - which would be presumably a major catastrophe for all involved.
Mowrer, Edgar A.
"Divisive Issues Among the Allies,"
Naval War College Review: Vol. 12
, Article 3.
Available at: https://digital-commons.usnwc.edu/nwc-review/vol12/iss3/3