why in hash router after refreshing the page the active link does not remain active code example

Example: can't bookmark react router

// Add the following to .htaccess file in the public folder
// NOTE: This is for Apache servers!

<IfModule mod_rewrite.c>
  RewriteEngine On
  RewriteBase /
  RewriteRule ^index\.html$ - [L]
  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteCond %{REQUEST_FILENAME} !-d
  RewriteCond %{REQUEST_FILENAME} !-l
  RewriteRule . /index.html [L]
</IfModule>