Answer:
Europe's period of exploration and colonization was fueled largely by necessity. Europeans had become accustomed to the goods from Asia, such as the silk, spices, and pottery that had for centuries traveled the Silk Road. ... Colonization, or the desire to establish permanent settlements, soon followed
A is poverty b is political reforms
Subsistence-managing to stay alive when there is little food.
agrarian-societies based on agriculture
domestoic- to tame plants and animals
mesolithicage- the middle period
neolithic- era known as the stone age
sedentary- settling down in one location