Britain, France, Germany, Belgium, Italy, Portugal, and Spain were competing for power within European power politics. One way to demonstrate national preeminence was through the acquisition of territories around the world, including Africa.
Additionally, 200 milligrams of DHEA-S has been injected into the blood once or twice weekly beginning at 37 weeks gestation. Multiple doses of 50 milligrams or 100 milligrams of DHEA-S have been injected during weeks 38-42 of pregnancy.
As for how much DHEA you should take, the recommended dosage is 1/4 to one 25mg tablet daily for adults. It is better to take DHEA along with food that has some fat in it to improve its absorption. DHEA's benefits supposedly take effect within two to three weeks of usage.