What fuelled the great explorations of Spain and Portugal weren't because they liked doing it, it was because silk and spices were super expensive to be traded along the Silk Road, past Arab states that imposed hefty taxes, and had to be shipped all the way across the Mediterranean Sea, where ports made fortunes by levying even more on the goods.
The post World War scenario was highlighted by the fall of some colonial powers and the rise/peaking of some others. A redistribution of colonies and territories took place following the Treaty of Versailles. Germany was the biggest loser, while Britain and France gained the most new territories
They went to a party and had ice cream then fell asleep in a grassy green area.
I'm sorry but you need more details on your question.
chealafi :3