1. Royal extravagance: Charles I had an extravagant lifestyle and spent large sums on his court, personal interests, and artistic pursuits. To finance these expenses, he needed to raise additional revenue.
2. Wars and conflicts: Charles I was involved in several wars and conflicts, including the Bishops' Wars, the Thirty Years' War, and the English Civil War. These conflicts required significant military expenditures, and the king needed to raise taxes to cover the costs of maintaining an army and navy.
3. Debt repayment: Charles I inherited a large amount of debt from his father, James I. To reduce this debt, he implemented various tax measures, such as the imposition of ship money and the forced loan.
4. Administrative inefficiencies: The royal government during Charles I's reign was characterized by inefficiencies and corruption. These issues resulted in a need for increased taxation to make up for the shortfall in revenue.
5. Parliament's resistance: Charles I faced opposition from Parliament, which was reluctant to grant him the necessary subsidies and taxes. This led to conflicts between the king and Parliament, and Charles was forced to resort to unconventional means, such as forced loans, to raise revenue.
It's important to note that Charles I's tax policies were controversial and contributed to the growing discontent and conflict between the monarchy and Parliament, eventually leading to the outbreak of the English Civil War.