FIFA World Cup 2018: Will Croatia win semis to reach finals?

England is a team which is considered to be very strong. In a match against Croatia, everyone hopes that England would win. But Croatia may flip the result. It is so because Croatia has managed to defeat many world class teams. Croatia is considered a definite team who would reach finals because:

They won five matches in a row
They have won against big teams like Argentina and Russia
They have reached semi-finals after 20 years