Question

the czech republics decision in 2003 to join the european union indicated that the czech republic
would give all economic control to the european union.
would eventually achieve a mixed - market economy.
was willing to forge economic ties with other nations.
was now equal in wealth to all other european nations.

Explanation:

The Czech Republic joining the EU in 2003 and forging economic ties relates to economic cooperation. The option "was willing to forge economic ties with other nations" aligns with the idea of the Czech Republic's intent to engage economically with EU and other nations, fitting the context of joining the EU for economic integration.

Answer:

was willing to forge economic ties with other nations.