Of the following choices, which ones influenced the emergence of opposing political parties

1. Historical Events: A major influence on the emergence of opposing political parties is the occurrence of significant historical events. For example, the American Revolution and the subsequent framing of the United States Constitution led to the emergence of opposing political parties such as the Federalists and the Democratic-Republicans.

2. Ideological Differences: Disagreements in ideological beliefs and principles give rise to opposing political parties. Differences in areas such as economic policy, social issues, foreign relations, and governance philosophies can lead to the formation of parties with opposing viewpoints.

3. Social Divisions: Societal divisions based on factors like race, ethnicity, religion, class, or gender often fuel the emergence of opposing political parties. These divisions can create different interests and priorities among various groups, leading them to form political parties that represent their specific interests.

4. Economic Disputes: Differences in economic policies, including taxation, wealth redistribution, regulation, and government intervention, can lead to the formation of opposing political parties. These parties would represent varying economic ideologies and interests.

5. Political Leadership: Different perspectives and leadership styles of influential politicians can also contribute to the emergence of opposing political parties. When politicians hold varying views on critical issues and strategies, they often attract different followers, leading to the formation of opposing parties.

6. International Influences: The influence of other countries and global events can play a role in the emergence of opposing political parties. Foreign policies, conflicts, and global trends can shape domestic political dynamics and provide the impetus for parties with opposing stances.

7. Media and Communication: The media's role in disseminating information and shaping public opinion can influence the emergence of opposing political parties. Biased or polarizing media coverage can contribute to the formation of parties representing different viewpoints.

8. Electoral Systems: The structure and rules of electoral systems can also influence the emergence of opposing political parties. Different electoral systems, such as proportional representation or first-past-the-post, can create conditions that encourage or discourage the formation of multiple parties.

It is essential to note that the factors above do not operate independently, but rather interact with each other, creating complex dynamics that shape the emergence and development of opposing political parties.