How did the blitzkrieg tactic affect the first two years of world war ll?

The Blitzkrieg tactic, which was the usage of overwhelming air power allowed the Germans to acquire territory quickly and intimidate their enemies. The use of the lighting war on Great Britain, for instance, was ultimately unsuccessful.

The rise of the Kingdom of Kongo was that many people got attracted to Kongo because of the rich gold mines at Sofala. Also, they have been pushing intermarriage with the African people to gain favor and pushing farther into the interior of Africa. Aside from that people also developed skills like weaving, pottery, blacksmithing, and carving which have also contributed to their economy. Also, the agriculture was a big part in Kongo.