2. Cause and effect: what innovation led to the development of factories in Manchester

The innovation of water frame and the spinning jenny

Explanation:

The innovation that led to the development of factories in Manchester was the innovation of the water frame and the spinning Jenny by Richard Arkwright.

This invention was initially made by James Hargreaves and Oswaldtwistle in 1764, but later worked upon and improved by Richard Arkwright.

Following the destruction of his factory in 1780, he later moved to the city of Manchester to build a new factory of 600 working laborers capacity.

(d) rivers.

explanation:

civilizations developed around rivers because their waters provided places to hunt and fish. also, as the rivers flooded, the lands around them became fertile. this allowed them to support farming. this is especially true of the nile river, which flooded the same time each year.

there were abundant sources of fuel nearby