What is the name of the common error in the following sentence?

having risen because of the rains, the hikers were unable to cross the river.

a. dangling modifier
b. infinitive phrase
c. prepositional phrase
d. run-on sentence

In 1896, a 308-page edition of  the american wheelmanearned the distinction of being "the largest magazine ever issued from a printing press,” according to the advertising journal  printers’ ink.which accurately describes this statement? it is subjective because the information contained in this statement cannot be proven.it is subjective because everyone would agree with the information contained in this statement.it is subjective because the information contained in this statement can not be proven.it is objective because the information contained in this statement can be proven.it is objective because not everyone would agree with the information contained in this statement.

Concise summary of the key points of your research that come before the body paper is called a(n)

Which of these can an adverbial clause modify?