The things that were necessary are as follows
investment of the capital to reenforce agriculture production
Okay,
The Three-Fifths Compromise settled the disagreement at the U.S. Constitutional Convention in 1787 over how to count slaves when determining a state's population.
This cartoon depicts them as separate and in danger of destruction. The colonies were being threatened by British rule and needed to join together or lose their independence.
In this case the answer B is correct; Iron.
Metalworkers in ancient India were renowned for their skills in creating different types of objects that were of very pure quality and the highest standards. These of course were not that common and not just anyone could obtain or afford such items.