: The time required depends on your technology and the number of divisions assigned (e.g., a 10-division invasion takes much longer to prepare than a 1-division one).
: A new UI convenience in recent updates allows you to Shift + Click certain icons to instantly prepare actions like raids. 2. Prepare a Collaboration Government (Intelligence) download-hearts-of-iron-iv-field-marshal-edition-v1-12-7-p2p
Units assigned to a (front line and offensive line) automatically accumulate a "planning bonus" over time. : The time required depends on your technology