The most significant immediate impact of the Columbian exchange was the cultural exchanges and the transfer of people (both free and enslaved) between continents.
Answer:
The answer is C
Explanation:
Workers should form unions.
B. a system of checks and balances keeps each of the three branches from having too much power
Answer:
External Validity
Explanation:
Internal and External validity cogitate that whether or not the results of a study are meaningful. Internal validity is related to the structure of the study whereas external validity is related to how relevant is the findings of the study to the real world. Internal validity is a prerequisite to external validity, trade-off or tension between internal and external validity appear upon the analysis.
