Topic sentence to compare Stalin and Napoleon?

Read this sentence from the story of my life by helen keller. the most important day i remember in all my life is the one on which my teacher, anne mansfield sullivan, came to me. which element of plot does this sentence best represent?

What does the video on the wilderness downtown website incorporate to create the end product?

In the sentence above, which verb is the irregular verb? a. laid b. warmed c. removed d. walked