Territoire et mémoire : rôle des monuments publics

Read the following short text and answer the question: 'Why are public statues often considered part of a nation's collective memory?'

Text: 'Public monuments serve as anchors for our shared history. In the UK, the statue of Winston Churchill is a reminder of the nation's resistance during World War II. These landmarks help citizens connect with the past, ensuring that specific events, such as the sacrifice of soldiers in $1945$, are not forgotten by younger generations living in the $21^{st}$ century.'

Question: Based on the text, what is the primary role of a monument in preserving memory?