Final answer:
The sentence "It must be by this time evident to all men" is a declarative sentence that expresses a statement of fact.
Step-by-step explanation:
The given sentence, "It must be by this time evident to all men," is a declarative sentence that expresses a statement of fact. It presents a claim or observation as true, providing evidence or reasoning to support it. In this case, the sentence suggests that something should be clear or obvious to everyone.