Select the correct descriptions for each ruler in the table. Descriptions may be used once, twice, or not at all.

Maria Theresa

Frederick II

led the army to victories over Austria and expanded territory

allowed freedom of speech

improved the nation's tax system

supported the use of vaccines for illness

Maria Theresa: improved the nation's tax system, supported the use of vaccines for illness

Frederick II: led the army to victories over Austria and expanded territory, allowed freedom of speech.

Maria Theresa: improved the nation's tax system, supported the use of vaccines for illness

Frederick II: led the army to victories over Austria and expanded territory, allowed freedom of speech

Maria Theresa - improved the nation's tax system, supported the use of vaccines for illness

Frederick II - led the army to victories over Austria and expanded territory, allowed freedom of speech

To determine the correct descriptions for each ruler in the table, we will need to analyze the information provided for Maria Theresa and Frederick II.

Maria Theresa:
1. Led the army to victories over Austria and expanded territory - This description does not align with Maria Theresa's accomplishments, as she did not lead the army to victories over Austria nor did she expand territory. Therefore, we can exclude this description for Maria Theresa.

2. Allowed freedom of speech - There is no information provided about Maria Theresa's stance on freedom of speech. As we cannot confirm if she allowed or restricted freedom of speech, we will exclude this description for Maria Theresa.

3. Improved the nation's tax system - This description is applicable to Maria Theresa. She is well-known for her efforts in implementing tax reforms and improving the nation's tax system. Thus, this description is for Maria Theresa.

4. Supported the use of vaccines for illness - There is no information provided about Maria Theresa's position on the use of vaccines. As we cannot confirm her stance, we will exclude this description for Maria Theresa.

Frederick II:
1. Led the army to victories over Austria and expanded territory - This description applies to Frederick II. He successfully led the Prussian army to victories over Austria and expanded Prussian territory through his military campaigns. Thus, this description is for Frederick II.

2. Allowed freedom of speech - Frederick II was known for his enlightened views and support of freedom of speech. He upheld the principles of religious tolerance and allowed his subjects to express their opinions freely. Therefore, this description is for Frederick II.

3. Improved the nation's tax system - There is no information provided about Frederick II's efforts to improve the nation's tax system. As we cannot confirm his involvement in this area, we will exclude this description for Frederick II.

4. Supported the use of vaccines for illness - There is no information provided about Frederick II's support or opposition to the use of vaccines. As we cannot confirm his stance, we will exclude this description for Frederick II.

Based on the analysis above, the correct descriptions for each ruler are:

Maria Theresa: Improved the nation's tax system
Frederick II: Led the army to victories over Austria and expanded territory, Allowed freedom of speech