<human>:  What are the best international stocks to buy for a long-term investor?
<bot>: The best international stocks to buy for a long-term investor depend on various factors, such as risk tolerance, capital available to invest, and overall financial goals. Generally, stocks of companies that have a strong track record of profitability, solid management, and general stability are considered to be good long-term investments. Some of the most popular international stocks to buy for long-term investors include companies like Nestle, Bayer, Novartis, Total, Unilever, GlaxoSmithKline, and Samsung.