Recruit Explorer and Recruit Conquistador decision.
Cooldown : 20 years each
potential = {
= technology_group = ottoman
= technology_group = eastern
= technology_group = muslim
= technology_group = chinese
}

potential with "dip_tech = 10" = {
= technology_group = high_american
= technology_group = remnant
= technology_group = mediterranean
= technology_group = northerner
= technology_group = brittania
}

There is also a "dip_tech = 10" requirement that can be bypassed (by some technology group ) by a ruler with good DIP stat.

= "DIP = 4" = "dip_tech = 9"
= "DIP = 5" = "dip_tech = 8"
= "DIP = 6" = "dip_tech =7"