It was decided that Scotland's national interests - and doing God's will - made it necessary to send armies to intervene in both Ireland and England to enforce a settlement on all three kingdoms that would protect Scotland's separate identity and impose Scottish Presbyterianism on all of them. As the Covenanters launched an invasion of England in 1644 their hopes were high. Political realism and religious fanaticism were leading them to launch a bold bid to replace English dominance of Britain with Scottish.