What made the early man to domesticate crops and animals?
The need to supplement hunting and gathering which was tedious/need to lead a settled life.
The realization that some animals were social e.g. cat
The discovery that some crops took a short time to mature/presence of indigenous crops.
The diminishing/migration in number of wild animals made man to seek an alternative.
Climatic changes/natural which caused occasional calamities/poor fruits and root yields.
The development of improved tools which enabled effective cultivation of crops.
Population increase led to demand for food
For Security e.g. dog