In which area did reagen fail to achive his goal
cut spending.
reduce the size of government.
eliminate most government regulations on buisness.
balance the national debt.

The answer is balance the national debt.

Explanation:

President Reagan was a revolutionary president who brought in major progressive changes to the US economy and the financial system through his policies which were named as "Reaganomics".

However, his national debt management put USA with a large trade deficit and the world's largest external debt!

genetics is the study of how dna works, the methodologies defining the new recent technologies allow scientist to have a panoramic view of the entire dna landscape, especially how genomes interact with their environment, including off course, factors outside their organisms.

thus is very possible the existence of both scenarios, where populations of isolated individuals have different genetic traits, and share traits related to genetic mutation, due rats can easily travel overseas using human transport channels. so scientists could get a vast number of data, including human interaction, evolution of rodents, health development, spread of infections, development of new organisms, how genomes evolve in different environments and so on.

i believe it would be capitalism