Answer:
Hunting & gathering and Agriculture are the primary activities and Construction and Manufacturing are the secondary occupations.
Step-by-step explanation:
The people around the world during their ancient times performed hunting and gathering and then evolved to practice pastorialism who then followed agriculture and produce their own food with the help of land for their consumption. Today agriculture evolved into commercial grain farming and plantation agriculture. The sectors involved in the secondary occupations were the construction and manufacturing sectors. After the invention of steam engine, the evolution of manufacturing sector leads to industrial revolution in European countries. Land is the primary product in primary activities whereas capital is the prominent factor in secondary occupations.