Context: In brief, there is disagreement among historical analysts as to the exact time period when the minority leadership emerged officially as a party position. Nonetheless, it seems safe to conclude that the position emerged during the latter part of the 19th century, a period of strong party organization and professional politicians. This era was "marked by strong partisan attachments, resilient patronage-based party organizations, and...high levels of party voting in Congress." Plainly, these were conditions conducive to the establishment of a more highly differentiated House leadership structure.

Question: Is there a consensus about the time that minority leadership officially emerged as a position?
Answer: there is disagreement among historical analysts

Question: What party characteristics emerged in the house in late 19th century?
Answer: strong party organization and professional politicians

Question: What were these conditions effective for in the house?
Answer: establishment of a more highly differentiated House leadership structure.

Question: What do some voters not always agree with?
Answer: Unanswerable

Question: When was House leadership structure first established?
Answer: Unanswerable

Question: What does the publc not agree about when Congress was formed?
Answer: Unanswerable

Question: What did professional organizations help establish for society?
Answer: Unanswerable

Question: At what level was the public voting in the latter part of the 19th century?
Answer: Unanswerable