underpinning

"Her confidence in her ability to speak French helped her to participate more in class discussions. "

"My friend told me there was something in the box, but I didn't know what it was yet. "

"Our school's student council is a form of democracy, allowing students to elect representatives to make decisions about school events. "

"The politicians debated the new law in the city council meeting. "

"My sister is very helpful, especially when it comes to organizing things. "

"The birds had built an amazing structure out of sticks and various discarded items."

"The witness's statement corroborated the victim's account of the incident. "

"She suffered a terrible collapse after slipping on the wet floor."

"You should underpin the mine roof to prevent further collapse."

"The old wooden table had weak supports and wobbled easily. "

"The school's political represented the students' concerns to the principal. "

"The foundation of his institute has been wrought with difficulty."