Biden opposed moves to rebuild Afghanistan, advising a policy of fighting terrorism in the country. He also opposed withdrawal of US troops, which Trump carried out.
https://tolonews.com/afghanistan/biden’s-comments-rile-afghans-internationals

Biden's regime will hold on to enclaves in the North East and work alongside Turkish invaders, continuing sanctions against the Syrian government. In general, Biden wants US global leadership, which he sees as being diminished by Trump's inconsistencies.
https://www.atlanticcouncil.org/blogs/menasource/limited-and-constrained-the-biden-administration-and-the-prospects-of-a-syria-policy/

Biden intends to have tighter sanctions on DPRK, and to have stricter preconditions with respect to engaging on talks. The Democrat's president also intends to strengthen an alliance against North Korea. https://www.reuters.com/article/us-usa-election-biden-northkorea-analysi/biden-on-north-korea-fewer-summits-tighter-sanctions-same-standoff-idUSKBN25G2QO