There are several reasons to support this. Back in the 1950's and 60's, the high unemployment rate equated to high Democratic backing. The democratic backing rose significantly as more and more issues surfaced. State Legislation which were controlled by the democrats redrew congressional district maps. This made it difficult for the Republicans to win House seats. Up until the 90's till today, it is evident that democrats tend to do better in low-turnout districts as compared to the republicans who tend to do well in high-turnout district and thus, dominate congress. According to very many political science evidence, till date, suggest that electoral system has no partisan bias.
Correct answer is (a). were active from the early 1600s.
Explanation:
England's mercantilism were highly pronounced during long parliament government within 1640 to 1660. It was an economy principle to promote export and reduce import to England.
