Use the passage from William Jennings Bryan's "Cross of Gold" speech to answer the question.
They complain about the plank which declares against the life tenure in office. They have tried to strain it to mean that which it does not mean. What we oppose in that plank is the life tenure that is being built up in Washington which establishes an office-holding class and excludes from participation in the benefits the humbler members of our society.

In a few sentences, identify Bryan's claim in this passage and cite the reasoning he uses in support of his claim.
(only 4-5 sentences please)