Look at the sentence starters that have letters in front of them. Match them in order to correctly complete the sentence. The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered item with the lettered alternatives.
a.
Around 6000 years ago, the use of horses and oxen allowed for:

b.
Simple Farming villages slows development allowed for:

c.
Irrigation increased

d.
As the Middle Eastern villages grew, so did the complexity of civilization. This

created bigger villages in and around these rivers:

e.
Because of irrigation and the use of cattle:

1.
Slow development allowed for complexity to develop into larger agrarian civilizations

a
2.
An increase in power/work which increases productivity and trade.

a
3.
The production of crops

The need for an organizing body or government

a
4.
Small villages started to bud and spread, requiring more and more products, which then leads to new technologies.

a
5.
The Tigris, Euphrates, and Nile