Assure could mean making sure something happens, to comfort or remove doubts from a person, or make someone sure of something.
If it's one word answers it could be persuading, guaranteeing, promising, convincing, reassure, satisfy, or tell.
I hope this helps without answer choices it's kind of hard to know what kind of answer you need. Have a great day!
In chapter 11, Mrs. Tibbits and Ben just get back from toad watching because it was raining. Mrs. Tibbits tells Ben the reason why her sister-in-law wants to sell the house. Developers want to purchase the property to build on it. Ben realizes this is not good because the Spadefoot toads are endangered and if developers indeed purchase the property and build there, the spadefoot toads will no longer be able to lay their eggs and will probably become extinct. Ben is trying to hatch a plan to help Mrs. Tibbits in this situation.
Because Thailand is mostly made up of mountainous terrain and many forests.