21 The first factories in Britain in the 1700s specialized in

A. printing and publishing.

B. assembling carriages.

C. spinning and weaving.

D. mining tin and copper.

The first factories are c. spinning and weaving.

Explanation:

The 1st industrial revolution (1760-1820) was the phase of transformation to modern manufacturing processes in the Europe. Textiles were the highly controlling industry during the industrial revolution in terms of value output, employment, and capital invested. The textile industry also used modern methods in production.

The textile factories started to emerge in Belgium and United States which later emerged in France. Later, the growth of the textile matured and other innovations such as steam engines, telegraph, and steel making started to get rapid.

spinning and weaving

Explanation:

rule Britannia