Explanation:

 Recently, Poland is set to take steps to withdraw from a European treaty on violence against women – the Istanbul Convention.

• The Council of Europe Convention on preventing and combating violence against women and domestic violence is better known as the Istanbul Convention.
• Only European countries have signed this convention. It has been signed by 45 countries and the European Union (EU).
• In 2012, Turkey became the first country to ratify the Convention.

Hence only statements 1&3 are correct.