If you want to add other names in the list of national heroes ,whose name do you add ?give reasons ​

How does specialization enable countries to trade with one another? a country can make and sell goods affordably and buy goods that it is inefficient at making. a country can make what it chooses and sell its goods to other countries. a country can decide to buy everything it needs from other countries. a country can efficiently make goods that were once difficult to make.

What words in the preamble to the constitution reflect the principle of popular sovereignty

Experiment to investigate effect of medication on levels of stress in males and females. dependant variable?